Calculus and Beyond Homework Help Forum

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Free calculus and beyond homework help via qualified mentors. Math courses from calculus on-wards homework. Please use the template when requesting help and show your work.
Need a real life example where a partial derivative is used in motion
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687
Partial Derivative Simplification
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3
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818
Obtain a nonzero solution of ##y''-4y'+x^2(y'-4y)=0## by inspection
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7
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721
Avoid unpleasant integrals in solving IVP
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3
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613
Prove ##a\cdot b = b \cdot a ##using Peano postulates
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3
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725
Checking series for convergence
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5
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552
Prove ##(a\cdot b)\cdot c =a\cdot (b \cdot c)## using Peano postulates
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1
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491
Find the volume of the solid bound by the three coordinate planes
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2
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499
Applying Stoke's Theorem: A Hint
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26
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2K
Solve the problem involving the given double integral
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1
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529
Linear homogenous system with repeated eigenvalues
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2
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585
Find the local maxima and minima for##f(x,y) = x^3-xy-x+xy^3-y^4##
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5
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595
Find the constrained maxima and minima of ##f(x,y,z)=x+y^2+2z##
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2
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549
Line Integral Solution for Curve γ: Simplifying Substitutions
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6
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542
Inner product between velocity and acceleration is zero (parametric)
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6
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581
Find the dimensions that will minimize the surface area of a Rectangle
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1
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495
Line Integral of circle in counterclockwise direction
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5
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739
Limit and Integration of ##f_n (x)##
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8
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735
Proof related to derivative and Big O notation
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19
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868
Show that ##f(x,y)=u(x+cy)+v(x-cy)## is a solution of the given PDE
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9
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627
Solution verification of ODE using Frobenius' method
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3
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538
Prove ##(a+b)\cdot c=a\cdot c+b\cdot c## using Peano postulates
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3
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559
Solve this integral involving a fraction with a trig function
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11
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681
Proving limits for roots and exponents
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13
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741
Injective Function: Proving Correctness with Singlets ##S## and ##T## in ##X##
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9
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644
On weakly singular equations and Frobenius' method
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7
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608
Prove ##a \cdot 1 = a = 1 \cdot a## for ##a \in \mathbb{N}##
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1
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571
How to convert to the number of sand and Nylon particles from mass
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3
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603
Prove that ## 1^{p}+2^{p}+3^{p}+\dotsb +(p-1)^{p}\equiv 0\pmod {p} ##.
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6
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2K
Prove ##1 + a=s(a)=a+1## for ##a \in \mathbb{N}##
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1
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608
Exploring the Non-Existence of a Maximum in the Set (0,2)
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2
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561
Solve ##\int\frac{e^{-x}}{x^2}dx## and ##\int \frac{e^{-x}}{x}dx##
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7
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758
Prove every subset of countable set is either finite or else countable
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1
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552
Prove that every subset ##B## of ##A=\{1,...,n\}## is finite
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4
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532
On asymptotically stable systems and bounded solutions
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4
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636
Complex contour integral proof
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1
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587
Continue solutions of ODEs around the origin
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2
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564
I'm getting the wrong answer for the Indefinite Integral of: (x^2+2x)/(x+1)^2
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3
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1K
What is the formula for the norm of a vector cross product?
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5
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1K
Put the eigenvalue function in self-adjoint form
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2
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484
Prove if ##x<0## and ##y<z## then ##xy>xz## (Rudin)
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2
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658
Finding probability related to Poisson and Exponential Distribution
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6
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653
Calculating an n X n determinant
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5
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636
Writing correct sign of quantities
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7
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661
I have troubles finding the limit of this piecewise function
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9
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985
Tricky Problem: Prove range T = null ##\phi## when null T' has dim 1
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8
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692
Find the volume bounded by hyperboloid and plane z = ± d
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14
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722
Induction with binomial coefficient
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15
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1K
Use of calculus in a launch of a rocket - Relevant Assumptions
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5
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745
Finding the Fourier cosine series for ##f(x)=x^2##
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4
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666
Integral involving powers of trig functions
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7
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834
Prove ##|\{ q\in\mathbb{Q}: q>0 \} |=|\mathbb{N}|##.
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3
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598
Find the integral of ∫1/(1+tanx)dx
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3
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657
Calculation of moment of inertia of cylindrical surface
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4
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741
Help understanding this integral solution using trig substitution please
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12
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682
Given surjective ##T:V\to W##, find isomorphism ##T|_U## of U onto W.
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1
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675
Center of mass of spherical shell inside of cone (Apostol Problem).
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3
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619
Find rate at which the liquid level is rising in the problem
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24
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905
Taking the Limit of this fraction involving trig functions
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14
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704
Related rates: How fast is a runner going to 1st base, as seen from 2nd base?
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6
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653
Direction in which directional derivative is zero
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6
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739
Vector field and differential form confusion
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2
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771
Branch points of a complex function
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3
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605
[Complex analysis] Contradiction in the definition of a branch
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8
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1K
Prove that range ##T'## = ##(\text{null}\ T)^0##
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487
Power series product convergence
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2
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537
Null space of dual map of T = annihilator of range T
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0
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481
Proving the Infimum and Supremum: A Short Guide for Scientists
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3
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666
Show that acceleration varies as cube of the distance given
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1
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496
Proof of a vector identity in electromagnetism
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9
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829
Vector Subspaces: Determining U as a Subspace of M4x4 Matrices
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8
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753
[Sturm-Liouville eigenvalues and eigenfunctions problem]
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5
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569
Quadratic Residue and Quadratic Reciprocity Law QRL
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10
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817
Inflection Point Calculation: Reduction of Cubic with Second Derivative Method
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1
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512
To find work done by a variable force
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21
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878
Apostol Problem on ODE applied to Population Growth
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1
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538
Existence of directional derivative
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4
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594
Find f(x,y) given partial derivative and initial condition
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6
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600
Divergence of ##\vec{x}/\vert\vec{x}\vert^3##
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4
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1K
Proof that velocity of image by a plane mirror is negative of object
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5
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643
Apostol question about the differential equations of a falling object
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2
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623
Confused between the units of a constant and the units of the integral boundary conditions
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5
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714
Determine whether ## S[y] ## has a maximum or a minimum
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18
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1K
Doubt about the derivative of a Taylor series
2
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42
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3K
Help with a simple group theory question please
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1
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560
Model CO2 diffusing across the wall of a cylindrical alveolar blood vessel
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0
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481
Show Picard iteration diverges
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2
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514
Dx/x of quotient by def of derivative
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7
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673
How to derive the associated Euler-Lagrange equation?
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6
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907
How to get general solution via Green's function?
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1
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743
What is meant by compex dimension? (Abstract algebra)
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5
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633
Multivariable calculus problem involving partial derivatives along a surface
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9
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770
Calculus ## G(y, z)=z\frac{\partial}{\partial z}F(y, z)-F(y, z) ##?
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6
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816
Unit tangent vector and curvature with arc length parameterization
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1
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552
Find domain where function is Lipschitz
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2
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703
To prove the "##m^{\text{th}}## Powers Theorem"
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3
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621
Translation and rotation of quadric surface
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4
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845
Differential equation problem: y" + y' - 2y = x^2
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21
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2K
Solve the given differential equation
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10
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1K
Prove ##(a+b) + c = a + (b+c)## using Peano postulates
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9
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1K

Calculus Homework Help

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