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

Feb2313 09:24 AM
micromass

1 
46,263 
I need to know how to find the equation of the tangent line to the graph of the equation y = xe^(1/x^2) + ln(3  2x^2)...

Nov1903 04:51 PM
noboost4you

4 
18,914 
http://math2.org/cgibin/mmb/server.pl?action=image&msgid=62326&fname=ringname.gif
I know that polar concentric...

Nov1903 05:58 PM
KMGC

5 
1,387 
Someone plz help me to do these problems below...show me what foruma/ integral to use... Thank you very much.
1) A...

Nov2003 10:34 AM
Doc Al

4 
7,643 
sorry nevermind I made a mistake.

Nov2003 09:11 PM
lastlaugh

0 
1,408 
V(x) = x(102x)(162x)
When i V'(x) = 0... x is always a non real number... I don't know why, can someone help me...

Nov2103 12:35 AM
ShawnD

1 
1,404 
\int^a_b x\sin{x}\sin{2x} dx
answers? I tried to solve once, it took like 3 pages.

Nov2303 12:43 AM
Hurkyl

3 
2,674 
Hello guys!
I'm new here! Well, it feels like this forum is cool and interesting!
Can anyone help me...

Nov2503 09:39 AM
franz32

2 
1,249 
Here is an interesting download program for calculating various WMAP data and...

Nov2603 01:31 PM
ranyart

0 
1,635 
I dont know if anyone will be able to help me, im really stuck on this question!
"Show that the volume of the...

Nov2703 06:14 PM
HallsofIvy

5 
7,027 
Someone plz help me how to do these problems below. Thanks a lot for your help.
1) On the surface of the moon the...

Nov2703 09:28 PM
Hurkyl

4 
1,834 
Anyone know them? I heard is related to heart pulse or something.

Nov2803 11:20 AM
Lonewolf

2 
4,339 
OK OK I know Double Integral is from Multivar Calculus,
I was just wondering what we use it for... I heard is good...

Nov2903 02:54 PM
Jacob Chestnut

3 
2,791 
Check my math!
I've derived a differential equation for strings starting from Stokes Theorems to show that energy...

Nov2903 03:19 PM
lethe

48 
4,788 
One application of derivatives from first year calculus is something called differentials. The intent is to find the...

Nov2903 04:19 PM
ShawnD

4 
1,860 
On a recent exam I took, these integrals came up and I was unable to answer them correctly:
\int...

Dec103 04:11 PM
noboost4you

6 
1,323 
Can someone plz help me w/ these problems below:
Find the volume generated by revolving the area abounded by x=y^2...

Dec103 07:01 PM
PrudensOptimus

2 
3,192 
I really need someone to answer this by tomorrow 12/01 10:50 am pacific time...
1) Derive the following, for any...

Dec103 11:45 PM
MRGSLSE

5 
1,298 
can someone differentiate e^(nx) where n is any integer. i think is equal to n*e^(nx).
please show the proof,...

Dec203 09:51 AM
HallsofIvy

10 
54,247 
Hello,
My question has to do with differentiating an integral. We are given:
f(x)=1/2\int_{0}^{x} (xt)^2 g(t)dt...

Dec303 08:43 PM
HallsofIvy

3 
5,363 
Here are the questions and answers. Please tell me if I am right. I am not sure about some, though. Thank you so...

Dec303 11:57 PM
pezzang

0 
1,177 
What are the things required for a physics problem to be solvable by Calculus? like given valueables..
and again,...

Dec403 07:17 AM
HallsofIvy

13 
2,068 
Please tell me if i am right. Thanx

Dec403 08:55 AM
pezzang

0 
1,258 
Here, i attached questions and answers. please tell me if i am right on each one. Thanx/

Dec403 08:56 AM
pezzang

0 
1,374 
Ok, In my calc book I am having problem with the first example they give in a chapter on Differentiation.
It gives...

Dec403 07:31 PM
master_coda

5 
3,529 
I have this maths assignment and the first part I can't do. I've been searching the net for help until I found this...

Dec503 01:08 AM
Smelly

3 
1,298 
Could someone please help me with the integral of 2^x. dx
I bet its really simple but i have looked in several...

Dec503 07:16 AM
HallsofIvy

2 
156,514 
in the attatch file there is the dd function.
what i want to know is: when x doesnt equal 0 the function equals 0 and...

Dec603 05:11 AM
BigRedDot

5 
2,671 
Hi, I'm hoping someone out there is going to see something in this problem that I don't because I really don't get it:...

Dec703 03:26 AM
dhris

2 
1,279 
Hi everyone!
I'm trying to prove an identity, and it's driving me insane.
Let J_p(x) = \sum_{n=0}^{\infty}...

Dec803 06:10 AM
nille40

2 
1,278 
The quadrant of the ellipse \frac{x^2}{a^2}+\frac{y^2}{b^2} = 1. lying in the first quadrant, revolves about the line...

Dec803 03:46 PM
HallsofIvy

8 
2,241 
How can I show f(x)=x2cosx=0 has exactly 2 solutions? I can show it has at least two by using the fact that f is...

Dec803 08:17 PM
StephenPrivitera

8 
2,196 
Yo guys, I'm stumped on how to parameterize this surface and then compute an integral over it
I'm supposed to...

Dec803 10:10 PM
Hurkyl

8 
1,617 
Hello everyone!
Can anyone share me a site where I can practice well on limits in calculus? Particularly good...

Dec903 05:11 AM
himanshu121

3 
1,257 
How do I go about integrating
sin*sin(x) wrt x from pi to pi,
I've got that its an even function so I can...

Dec1003 01:15 AM
Allday

2 
2,600 
I am trying to find the extremal that minimizes \int_{0}^{1} \sqrt{y(1+y'^2)} dx
Because it is not explicitly a...

Dec1203 03:56 AM
dhris

5 
2,873 
A man 1.75 m tall walks at a rate of 2m/s toward a streetlight that is 10m above the ground, at what rate is the...

Dec1203 11:25 AM
himanshu121

5 
1,651 
Hi all!
I was wondering which method one should use to find the actual sum of an infinite series. I know how to find...

Dec1303 07:14 AM
HallsofIvy

7 
1,683 
Can someone, who really knows and understands, tell me what dx (or whatever variables given) means behind the integral...

Dec1403 04:15 PM
Hurkyl

6 
1,339 
A manufacturer can produce jackets at a cost of $50 per jacket. If he produces p jackets weekly and all the jackets...

Dec1503 01:14 PM
Doug

8 
1,359 
The question goes like this!! Take a sphere of radius R and insert a cone w/ max volume. ANd i have no idea why i am...

Dec1503 11:16 PM
himanshu121

1 
2,002 