Calculus

All levels of calculus from Calculus I through Differential Equations and beyond.
R
How Did I Mess Up? The Answer Should Not Be Negative.
Replies
11
Views
983
rayroshi
R
C
Volume between two curves: f(x) = sin(pi*x) and g(x) = 2x^3 - 8x
Replies
4
Views
598
Dr.Peterson
Dr.Peterson
D
Evaluating ∫[cotx/(1+sinx)]dx from 0 to π/2
Replies
4
Views
666
pka
pka
Steven G
Please help! "Imagine a disc of radius 1m spinning anticlockwise at pi rad/sec."
Replies
12
Views
1K
khansaheb
K
A
Indefinite integral: integral [ 1/s(t) ] ds
Replies
4
Views
562
topsquark
topsquark
M
Finding the length and surface area of a two/three-dimensional Archimedean Spiral
Replies
0
Views
509
mathinker
M
R
Confused About Which Derivative Rule to Use First
Replies
4
Views
672
Dr.Peterson
Dr.Peterson
C
a limit without using l'hospital rule: limit, x->3, of (log_3(x) - 1)/(x - 3)
Replies
7
Views
851
canvas
C
U
If z=1+2i is a root of the equation z^2 = az+ b find the values of a and b
Replies
6
Views
740
pka
pka
shahar
The best graph in Cartesian Coordinate System for payments for hours of parking
Replies
11
Views
1K
shahar
shahar
A
Gradient at a point on a quadratic: gradient at (3, 21) for y = x^2 + 4x
Replies
14
Views
1K
apple2357
A
D
Failing to differentiate a^x • x^n by first principles
Replies
5
Views
630
khansaheb
K
A
Integration and volume problem: Find volume generated by area between y=x^2+2, y=6, rotated abt x-axis
Replies
14
Views
1K
blamocur
blamocur
A
Volume with parametric equations: x = 4 cos(theta), y = 2sin(theta); sketch from 0 to pi/2, and find...
Replies
10
Views
1K
Dr.Peterson
Dr.Peterson
C
Second Derivative of an equation: The charge ? on the plate of a capacitor is given by ? = ???^(− ?/??)...
Replies
9
Views
917
Dr.Peterson
Dr.Peterson
L
Calculus Help! Find eqns for 2 lines passing thru the origin & tangent to 2X^2-4x + y^2 +1 = 0
Replies
4
Views
578
Steven G
Steven G
F
I'm lost: We look for functions such that verify f(x) + f(y) = f((x+y)/(1-xy))...
Replies
9
Views
953
Faizer
F
M
Prove that if a function is nonnegative on an interval, so is its definite integral
Replies
8
Views
883
khansaheb
K
A
Surface area of a triangular section of a cylinder?
Replies
3
Views
747
blamocur
blamocur
P
Another max min: A rectangle is bounded by the positive x-axis, the positive y-axis, and y = mx + c.
Replies
5
Views
678
Steven G
Steven G
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