
Please post any and all homework or other textbookstyle problems in one of the Homework & Coursework Questions...

Feb2313 09:24 AM
micromass

1 
43,921 
Hello everyone. I need help.
If there are given 2 graphs in which one of them is the graph of the derivative of...

Jun1404 01:07 PM
Gokul43201

2 
2,483 
Hi everyone,
I need some help integrating the following. I have been trying to integrate it but can't seem to get...

Jun1404 06:01 PM
Integral

5 
1,324 
find the series for sin(x)/x. I believe this would just mean dividing the series representation of sin(x) by x,...

Jun1504 01:00 AM
AKG

5 
1,372 
Here's the question
The equation of motion of a particle moving in a straight line is:
s = kv^2ln v
where k...

Jun1604 12:15 PM
JohnDubYa

5 
1,018 
Hi
I have two questions to ask and hopefully someone could help as im getting little help from my college and work...

Jun1604 12:48 PM
himanshu121

7 
678 
I have a question about reparameterizing curves. My specific question is "Reparameterize the curve with respect to the...

Jun1704 02:10 AM
arildno

4 
1,402 
Hi Guys,
I had posted this as a continuation of my previous thread but since this is somewhat different, I am...

Jun1704 02:10 PM
piyush

0 
1,645 
Can someone solve this integral as the answer I get looks suspicously complicated:
\int^{0}_{\frac{u}{a}} t\sqrt{1...

Jun1704 03:39 PM
jcsd

3 
1,717 
I have to calculate the derivative of this function:
f(t)=\vert\hspace{0.07cm}u(t)+i\cdot{}v(t)\vert
The...

Jun1704 07:19 PM
Hurkyl

3 
2,521 
The website has changed a lot! Very beautiful and attactive! I like it.
Well, I need help. This is on integral...

Jun1904 05:21 AM
franz32

8 
1,357 
Ive been searching on the net and found some good sites but found nothing to help me with these questions. Could you...

Jun2004 05:25 PM
Gokul43201

1 
1,837 
My teacher gave us this problem in class and then when she went to show us how to solve, she got stuck too!
1+xy =...

Jun2004 07:52 PM
Math Is Hard

4 
855 
Can a mapping from f:S>T associate an element of s into several elements of T? Also, how do you prove: A mapping...

Jun2104 12:53 AM
kioria

4 
1,264 
HI, please lend me some hints on how to graph the following equation in terms of y.
x = y + sin
I know to...

Jun2104 10:42 PM
HallsofIvy

4 
2,005 
Hi...i was just wondering if anyone gets the same answer to what i get for the following question...thanks...
find...

Jun2204 04:27 PM
naav

8 
1,501 
Okay basically i tried to facter out the top part of the rational function but it just doesnt seem corect.
...

Jun2304 08:49 AM
HallsofIvy

4 
1,076 
I have no idea how to do this problem or where to even start: Find the exponential function f(x) = Ca^x who’s graph...

Jun2304 04:01 PM
JonF

4 
6,110 
I'm kinda lost on this problem
"Find the volume of the give solid:
Bounded by the cylinder y^2+z^2=4 and the...

Jun2404 12:36 AM
Theelectricchild

9 
4,269 
Ok, I'm very new to calculus, and was stuck on the very basics of it. I'm only 14, but am extremely interested in...

Jun2404 08:18 PM
napoleonmax

5 
1,072 
1) Find a function, f(x) which is discontinuous at 1, \frac{1}{2}, \frac{1}{3}, \frac{1}{4} ..., but continuous at any...

Jun2504 03:52 AM
stefanfuglsang

11 
1,548 
How do I show Rez  Rez0<E whenever 0<zz0<D is true, where E and D are real number greater than 0, and z is...

Jun2704 06:01 AM
HallsofIvy

2 
1,990 
I wondered if someone could help me to find the Fourier series for this function please. I believe it's an odd...

Jun2904 05:09 PM
mathman

4 
1,766 
i for the life of me can't figure out how to integrate this:
\int \sin{(x^{1/2})} dx

Jun3004 04:39 PM
Parth Dave

10 
921 
How would I find the points of intersection of the line x= 3+2t , y= 7+8t , z=2+t , that is, l(t) = (3+2t,7+8t,2+t)...

Jul104 10:18 PM
StonedPanda

9 
11,461 
I'm a web developer working on a bit of javascript code for a personal project. I took through Calc II and linear...

Jul304 03:58 AM
Integral

5 
11,049 
Hello, everyone! I'm working on a simulation of charged particles, and I'm trying to figure out a way to get exact...

Jul304 02:56 PM
arildno

3 
10,146 
Suppose the population of mosquitos in a certain area increases at a rate proportional to the current population... in...

Jul704 02:22 AM
Theelectricchild

6 
1,249 
edges???
if i have n level I will have n^2 nodes but I dont know how many edges, I am stupid, forgot this problem's...

Jul704 05:13 AM
Vance

4 
1,463 
Hi, I'm having a bit of a problem with a certain problem assigned to me...
I must find the limit of (lnx)/(x1), as x...

Jul704 05:29 AM
tomkeus

14 
6,885 
I just took a take home calc test this weekend, turned it in this morning. There were a few questions I couldn’t...

Jul704 05:42 PM
JonF

10 
1,581 
anyone know how to derive the epicycloid of 2 cusp?
the eq. are:
y=(a+b)sin(t)  b(sin(((a+b)t)/b)...

Jul704 05:54 PM
Bailey

0 
1,239 
hi all,
i've tried to solve this thing with Derive, but it gave me some vague erf(x) function (error function??)....

Jul904 02:11 PM
Perinhas

8 
107,518 
I did this three times, and always come up with utter nonsense.
What is the derivative of 4x(16x^2)^0.5?
(Root of...

Jul1204 12:47 PM
dedaNoe

6 
1,129 
Hey guys, I need help with a somewhat big Calculus IV problem. We are reviewing double and triple integrals in polar...

Jul1304 12:01 AM
kylemadigan

2 
2,328 
This is in my multivariable course. How would I find the equation of the line where two planes meet?
I worked out...

Jul1304 10:45 AM
HallsofIvy

8 
2,914 
A woman at a point A on the shore of a circular lake with a radius of 2 miles wants to arrive at the point C opposite...

Jul1504 06:01 AM
HallsofIvy

2 
2,812 
Can anyone show me the simplest way to find the relationship between the area of an astroid (hypocycloid of four arcs)...

Jul1504 08:45 AM
Moore1879

0 
1,087 
The qeustion was what is the 50th dy/dx of F(x)=Cos(2x)
this is what i did
1stdy/dx=2Sin(2x)...

Jul1704 09:48 AM
Galileo

4 
3,017 
If you want to find volume or area using double/triple integration, is graphing the (r) and (d) the only way to see if...

Jul1804 04:27 PM
speeding electron

4 
1,558 
When particle is at distance meters from the origin, there is a force of Newtons (N) pulling it toward the origin....

Jul1804 04:27 PM
HallsofIvy

5 
1,292 