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

Feb2313 09:24 AM
micromass

1 
46,547 
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 
1,870 
this question doesn't look hard when i read it, but then when i tried doing it, i can't :frown:
Suppose \sumAk...

Mar2905 03:52 PM
mathman

4 
1,870 
So, integrating a Gaussian over a rectangular area gives us nice answers in terms of Erf's.
What about a...

Dec1708 11:20 AM
jfitz

0 
1,870 
One application of derivatives from first year calculus is something called differentials. The intent is to find the...

Nov2903 04:19 PM
ShawnD

4 
1,869 
Im reading over about the directional derivative.
Stewart, page 800 says:
"Proof: If we define a function g of...

Aug205 03:42 PM
Hurkyl

13 
1,869 
Hi, I'm trying to figure out if there's any way I can integrate a function over a range which includes a value that...

Jun2906 02:39 AM
eljose

10 
1,869 
Help me please with the next Laplace inverse transformation:
U(s,t)=U(s,0)*exp
Transformation from U(s,t) to...

Dec106 02:51 AM
riverboat

3 
1,868 
Hello all,
I am aware that we can write ln(x) as a series.
But what can we say for a logarithm of an arbitrary...

Mar2909 01:11 PM
geor

2 
1,868 
Is component(maximal connected set) of a metric space open or closed or both(clospen)?or even can be halfopen(not...

Nov410 08:39 AM
micromass

5 
1,868 
I've learned that the wedge product is a product operation on two alternating tensors that yields another alternating...

Aug3111 05:07 AM
JG89

5 
1,867 
I was reviewing basic calculus of of functions of several variables. It struck me that in one of the exercises, it was...

Nov611 07:53 AM
Useful nucleus

5 
1,867 
I know derivative of displacement gives you velocity, and dv/dt=a.
And I know the integral of a is v and the integral...

Mar313 10:44 PM
Simon Bridge

1 
1,867 
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 
1,866 
http://i66.photobucket.com/albums/h249/executioner_c/Academics/integration.jpg

Nov1206 08:15 AM
executioner_c

7 
1,866 
How big of a role does trigonometry play in physics?
I am learning trigonometry as of this instance and I'm finding...

Apr1611 11:02 PM
blade123

5 
1,866 
I know delta means change , but I don't what the difference between Δv/Δt vs dv/dt is ?
I am at the noob end of...

Sep2813 08:19 PM
brmath

3 
1,866 
I'm reading Div, Grad Curl, and All That, and in coming up with a formula for the divergence, H.M. Schey starts with a...

Sep309 06:14 PM
Landau

1 
1,865 
I would really like to get a jump on calculus before next semester when I take calculus.... The calc book that I am...

Jan911 05:01 PM
TylerH

14 
1,865 
Here is the classic Dirichlet function:
Let, for x ∈ ,
f (x) =1 /q if x = p /q, p,q in Z
or 0 if x is...

Nov1508 04:36 PM
morphism

8 
1,864 
Im having trouble proving limits of multivariable functions. I understand the principal behind deltaepsilon proofs...

Jan2510 03:35 AM
evagelos

1 
1,864 
Something has been bugging as of late: usually, derivatives (ordinary and partial) are defined for interior points....

May2011 04:37 PM
ToffeeC

7 
1,863 
Is the following statement valid?
sinh{x^2}=\frac{e^{x^2}e^{x^2}}{2}
Reason I ask cause I know that...

Jul1314 05:25 PM
HakimPhilo

2 
1,863 
I just wrote a midterm, and I found it pretty easy. I was wondering what others got as questions.
This is the...

Nov104 01:06 PM
JasonRox

2 
1,862 
When asked to demonstrate that Green's Theorem works, I keep coming up with disagreeing answers. I've been able to do...

Nov2304 06:21 PM
mathwonk

1 
1,862 
does anyone know of any websites that can help to explain how to do these and some possible examples? i cant find...

May906 09:09 AM
siddharth

3 
1,862 
In class today, my teacher said,
"the definition for multiplicative inverses in the R (real numbers) does not give...

Nov907 07:47 AM
HallsofIvy

5 
1,862 
Hi there, hopefully someone can help me I'm completely lost!!
I'm trying to solve sin((pi*x)/6) >= (x/2) for o<=...

Mar3108 12:20 PM
maryk

9 
1,862 
In terms of programming. Like, lets say you have F1+F2+F3+15=0 and you move the 15 to the other side, just as you're...

Mar2211 06:10 PM
Stephen Tashi

5 
1,862 
I am wondering is there any general analytic solutions to the following integrals
First moment of area...

Jan2112 06:51 AM
dragozarkovic

3 
1,862 
sir please give me a good way to learn about fourier series, trigonometrical fourier series.
explain the term by...

Aug2609 07:29 PM
HallsofIvy

2 
1,861 
Wikipedia: Euler Lagrange Equation defines a function
L: \times X \times TX \rightarrow \mathbb{R}...

Mar1411 07:56 AM
homology

11 
1,861 
In Spivak's Calculus, there is a theorem relating the derivative of the limit of the sequence {fn} with the limit of...

Jun2512 01:36 AM
Skrew

4 
1,861 
I'm trying to find the partial derivative of Q with respect to w0 and then set it equal to 0 and solve for w0. Finding...

Mar1411 04:00 PM
bpk356

1 
1,860 
Hi,
I am having problems understanding the difference between the equations in the files attached profile2.png....

Mar2411 04:10 PM
hoomanya

5 
1,860 
∫x(dx)^2=?
and what is the difference between dx^2 and (dx)^2?

Nov613 05:36 AM
Simon Bridge

20 
1,860 


Feb808 02:15 AM
Gib Z

10 
1,859 
Say we have the set of integers, a metric space.
Does any element of this set have a neighborhood? I am confused as...

Dec1508 10:22 PM
adriank

19 
1,859 
If you have f(x) = 1/x and g(a) = (cosx  1)/x and then y = , the two individual limits equal 0 and infinity,...

Oct1513 10:22 PM
Mark44

7 
1,859 
I was reviewing my first calc class stuff before starting this second one and came across a problem that i cant seem...

Jan2608 11:47 AM
Hootenanny

9 
1,858 
Hello!
Here's a question I was doing but I'm not sure if I'm right...
It says "solve" the following differential...

May1608 11:32 AM
HallsofIvy

16 
1,858 