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

Feb2313 09:24 AM
micromass

1 
46,592 
I want compute the following integral:
$$\\ \int f(x,y) \sqrt{dx^2+dy^2}$$
Is correct this passbypass:
$$\\...

Jun1514 02:25 PM
DrewD

4 
381 
What is integral sin(x)/x from 0 to a where a is any finite, positive number?

Jun1414 08:22 AM
January

2 
510 
Hello! I'm having some troubles with that integral:
## \int_0^{k} \frac{x^{\alpha}}{1 + \beta x} dx##
I've...

Jun1314 08:37 PM
PranavArora

9 
742 
Hello,
I've been reviewing some calculus material lately and I just have a couple questions:
1) I've seen...

Jun1114 05:45 PM
micromass

3 
550 
Hi,
I'm looking at a derivation of the thermodynamics of blackbody radiation. My question is in regards to the...

Jun1114 11:48 AM
Runei

1 
382 
Hi every one,
Here is my question: In soil physics, knowing the relation between suction head, h, and the soil...

Jun1114 04:35 AM
re444

5 
577 
I ask this because it seems that there is no distinction between 0 and an infinitesimal. Similarly, it also seems...

Jun1014 09:40 PM
pwsnafu

2 
382 
Hi I'm trying to integrate the following q_m = D A \frac{dc}{dx}
where A = 4 \pi r^2 Yes, a sphere.
My supplied...

Jun914 07:23 AM
jderulo

10 
1,067 
Hi guys,
What is the best way to sketch
0 = x2  2x + 4y2 And
8 = x2  2x + 4y2
?
How do I sketch...

Jun914 07:11 AM
HallsofIvy

4 
408 
Hi everybody,
I am looking for some help with a problem that has been nagging me for some time now.
I'm going to...

Jun914 04:36 AM
FranzDiCoccio

8 
549 
Hello,
For a practical I have to know the work done by drag force, but drag force which is bv2 is not constant over...

Jun814 10:29 PM
Simon Bridge

4 
546 
hi,
I have difficulty in figuring out the following integral:
I(l,m;z) = \int^1_0 dx~\frac{x^l}{z  x^m} ,
...

Jun814 09:40 AM
Simon Bridge

4 
436 
http://www.askamathematician.com/2011/04/qwhyistheintegralantiderivativetheareaunderafunction/
this...

Jun714 07:53 PM
kidsasd987

1 
411 
What are some helpful strategies for drawing and conceptualizing space curves? I'm having trouble drawing them and I'm...

Jun714 11:01 AM
vanceEE

4 
468 
Hi there!
I'm back again with functions over matrices.
I have a function f : M_{n\times n} \to M_{n\times n} / f(X)...

Jun714 10:57 AM
micromass

3 
438 
I am posting this question, in order to make something clear, since i am confused by derivation of the exponential...

Jun714 08:02 AM
HallsofIvy

7 
452 
I' at a a very very very basic level of calculus and usually have to watch a video or read something basic just to...

Jun714 07:48 AM
HallsofIvy

3 
368 
I had a quick question about an expansion. Wolfram and maple have not been very useful in verifying the series.
...

Jun614 02:51 PM
Zondrina

2 
405 
I will give a small background and explain the variables and the system first. I have two images which are observed...

Jun514 01:08 PM
Stephen Tashi

9 
551 
This isn't really a homework question, more just something I noticed while evaluating an integral and was curious...

Jun414 11:14 PM
lurflurf

3 
448 
Fellow researchers out there,
I am not a mathematician. However, I have come across in solving few cumbersome...

Jun414 09:13 PM
PrasadP

2 
364 
How do you graph f(x) = x  ]

Jun414 09:07 AM
PranavArora

2 
353 
Hi all,
Supposing that s' is the new position, s the old one, t the time started, t' the new time, Δt the time...

Jun314 09:37 PM
Shinaolord

12 
683 
dear all, lets consider a length L and divide it into N number of small segments uniformly. Then the length of every...

Jun314 09:51 AM
micromass

13 
888 
Equation 1
##\frac {d\vec T} {ds}##
2.
s=arc length=∫vdt
3.
v=speed

Jun214 11:01 PM
saminator910

1 
402 
I am trying to compute the following integral:
\int \exp^{w^T \Lambda w}\, d\theta where \Lambda is a constant wrt...

Jun214 09:37 PM
pamparana

15 
546 
It seems that the only applicable use I've seen is in finding intercepts on various axes. Are there any other...

Jun214 05:13 PM
Matterwave

5 
372 
Can anybody help in in finding the Fourier transform of f(x) = xe^x where 1<x<0 and f(x)= 0 otherwise?

Jun114 09:10 PM
Matterwave

5 
366 
I've made mistakes where scaling was used but I just assumed that I didn't need it. e.g. a bug walking towards <1,1,1>...

Jun114 07:29 PM
mill

10 
339 
I learned in my calc 1 class that to calculate the arc length of a curve, we are to compute the integral of the...

Jun114 04:13 PM
Frank89RM

8 
505 
I am quite confused between displacement and distance .
Suppose a particle travels along a semi circular path or...

Jun114 12:49 PM
Matterwave

1 
320 
If the critical points corresponding to the global min/max of a function ##f:\mathbb{R}^2\rightarrow\mathbb{R}## lie...

May3114 08:06 AM
HallsofIvy

1 
463 
If the tangent is horizontal, it is where the tangent is zero. In single var. calc. that would be at max. or min. for...

May3114 06:03 AM
SteamKing

3 
315 
∫sin(x^3) dx
I have absolutely no clue on what to deal with the x^3 part.
All I can think of is this:
∫sin(ax) dx...

May3014 11:39 PM
athosanian

9 
588 
I know its easier to use the substitution method, by I'm trying to see how it'll work for integration by parts. I...

May3014 11:25 PM
athosanian

3 
380 
\int_{0}^{a}\frac{x}{(x^2+z^2)^\frac{3}{2}}dx
Hi all, I'm stuck on this one. Sure theres an easier way to do it....

May3014 07:21 PM
klawlor419

6 
318 
http://sumo.stanford.edu/pdfs/smt2013/calculusproblems.pdf
NOTE: this is not homework problems. I am trying to...

May2914 04:55 PM
micromass

1 
402 
I would like to know whether there exists a solution to the following integral,
\frac{1}{\pi}...

May2914 03:17 PM
mathman

1 
317 
So I am pretty bad at u substitution.
I don't really get how to replace values with du or u.
Can you please give...

May2914 06:51 AM
HallsofIvy

7 
547 
Please, hurry. It's driving me nuts

May2814 11:02 PM
Nick O

2 
405 