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

Feb2313 09:24 AM
micromass

1 
45,085 
Ok, I was thinking today during my calculus class about taking the integral of a function in a different way. Let's...

Mar1704 06:17 AM
HallsofIvy

2 
822 
Given
P(x)= \frac{1}{\sigma \sqrt{2\pi}} e ^ \frac { (x  \mu )^2}{2 \sigma ^2 }
This is of course the normal...

Mar1704 08:13 AM
suyver

7 
1,861 
In class we were given the following sequence
(0,1 1/2, 3/4, 1 1/8, 15/16, 1 1/32 ...)
So it's alternating...

Mar1704 09:40 AM
Claire84

4 
1,578 
Fun problem: ? x / (x^2 + 6x + 10) dx
Integration by parts proves 1=1! My mathematical fame is at hand! So how...

Mar1804 06:25 AM
Matt Jacques

3 
3,085 
Ok my teacher was going over this today, but i have no idea how to solve this.
A Closed box with a square base is...

Mar1904 03:27 AM
matt grime

8 
1,559 
Hi, these are just a few problems from my assignment I am having a hard time with. Any help is appreciated.
1)...

Mar2004 03:32 AM
Chen

2 
1,306 
OK, I having a small problem understanding how my text book came about an answer to an example problem.
...

Mar2004 07:20 PM
Chen

4 
995 
does anyone know an object, when viewed from 3 differents views, looks like a circle, a square, and a triangle?

Mar2104 04:25 PM
selfAdjoint

2 
7,017 
how do you calculate the radius of curvature and the center p(h,k) of the circle with respect to the curve and how do...

Mar2104 04:54 PM
hawaiidude

10 
3,721 
I was feeling in the generous mood and made a PDF containing basic integrals and trig identities and such, this way...

Mar2104 09:42 PM
Matt Jacques

2 
1,939 
I have just been doing some Riemann Sums, but i must find the midpoint. Now i am doing some research on how to do it...

Mar2204 05:57 AM
matt grime

3 
5,654 
I'm only in high school, and I was wondering: Why are some functions not differentiable at certain points?

Mar2204 10:36 AM
HallsofIvy

29 
18,230 
Define derivative from 3 perspectives?
I might be off but I only came up with slope and rate of change?
Is this...

Mar2204 11:00 AM
matt grime

3 
1,304 
Hi,
I don't really grasp the M test for convergence and I have several Hmwk problems and figured that if someone...

Mar2204 11:27 AM
matt grime

9 
6,369 
is the following statement ture?
A continuous function f(x) can be rewritten as f(x)=E(x)+ O(x)
where:
1) ...

Mar2204 04:33 PM
matt grime

7 
1,076 
We've been given a question about double integrals and I'm confued by the integration needed and I figure I'm doing...

Mar2304 01:25 PM
Claire84

43 
4,200 
Hello,
I am having problems visualizing a concept. First I will post my question as it is given in Jame's Stewart's...

Mar2304 06:35 PM
matt grime

4 
6,342 
consider function f(x) = 1/3X^3  1/2^2  6x + 4
maximum is positive infinity and minimum is negative infiniti...

Mar2404 09:45 AM
physicszman

3 
974 
Hello,
First I will post the question.
Now I see that my instructor is trying to progressively guide us...

Mar2504 12:47 PM
wubie

5 
3,822 
Find the 4th term of the Taylor series centerd at x=1 for f(x)=ln(x+1)
f(x)=ln(1=x)
f'(x)=(1+x)^1
f"(x)=(1)...

Mar2604 04:08 AM
matt grime

2 
1,220 
A hemispherical tank of radius 5 feet is situated so that its flat face is on top. It is full of water. Water weighs...

Mar2904 12:23 AM
drklrdbill

7 
9,135 
I have a few questions
1) Can a point on a continuous function be both a point of inflection, and a peak point (a...

Mar2904 11:52 AM
NateTG

13 
1,150 
I'm trying to figure out how to do this problem...
Solve for x:
\frac{e^x5e^{x}}{4}=1
I know the answer...

Mar2904 01:19 PM
matt grime

18 
3,430 
How does one do that? I did a seach an no luck. Its the function where one can draw intergrals and sumations.

Mar2904 02:05 PM
Spectre5

2 
1,605 
Hey there, one of our h/work questions is to prove that a certain sequence is divergent, where xn=(1)^n for every...

Mar2904 03:10 PM
matt grime

9 
11,223 
Suppose f'' is continuous and
\int_0^{\pi}\sin xdx=2. Given that f(\pi)=1, compute f(0).
I'm stuck on this, and I'm...

Mar2904 03:33 PM
cookiemonster

9 
1,606 
My friend is in Calculus and he is wondering if there are any calculus pdf's out there so he can learn more into and...

Mar3004 12:22 PM
ahrkron

1 
4,873 
Let f be a function that has derivatives of all orders for all real numbers. Assume f(1)=3, f'(1)=2, f"(1)=2, and...

Mar3004 08:18 PM
HallsofIvy

2 
17,770 
ok i need help with a few questions. i'll post the question first and then what i get as an answer, the first one is...

Mar3004 08:36 PM
HallsofIvy

5 
1,628 
One of my recent problems is with double integrals... and im having a brain fart on the \int ln(u) du can you do...

Apr104 10:18 PM
philosophking

5 
1,090 
\int\frac{dx}{x^4+1}
What really frustrates me is that I've seen this integral before. I believe it involved some...

Apr204 03:25 AM
matt grime

8 
1,099 
I need help with these 2 problems.
problem 1:
Find the volume if the solid obtained when the region bounded by...

Apr204 06:50 AM
HallsofIvy

8 
7,783 
How can i differentiate / Integrate in C/C++, PERL, PYTHON ????

Apr204 05:30 PM
Hbar None

8 
5,323 
I don't know... I've worked through this problem about ten times, but each time, I get the same answer. It's a kind...

Apr404 12:38 AM
DavidWi

16 
2,974 
Could someone please help me integrate
\int \frac { dx } { ( a + x )^2 + sin^{2} ( \pi x ) }
where a is just an...

Apr404 01:12 AM
cookiemonster

8 
1,009 
Having a numpty moment here with a proof, so any help would be great! Thanks!
If (xn) is a convergent sequence...

Apr404 01:04 PM
matt grime

20 
1,951 
Does anyone know how to integrate cos(sqrt x) ?? I know the answer, i need to know the steps to do it?
Thanks

Apr404 03:12 PM
Dr Transport

3 
1,834 
Mass moment of inertia 'I' is given by
I = \int r^2 dm
r is the distance from the axis and dm is delta mass.
...

Apr504 12:24 PM
BobG

2 
3,713 
find the surface area of f(x,y)=\sqrt{x^2+y^2} above the region
R=\{(x,y):0\leq f(x,y) \leq 1\}
well.. heres what...

Apr604 12:23 AM
KSCphysics

11 
10,019 
Hey everybody,
I'm doing a project for a biomechanics class, and I've been stuck on trying to integrate this one...

Apr604 03:17 AM
Gunni

16 
1,774 