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

Feb2313 09:24 AM
micromass

1 
45,417 
I'm confused with limits of integrating and which to integrate first,
I've been getting by so far with just knowing...

Nov1713 06:24 PM
Mark44

7 
741 
Find a number "k" such that exist only one intersection between the curve exponential k^x e and the straight x·k. This...

Nov1713 05:54 PM
PSarkar

5 
542 
Greetings,
I want to become more fluent using functional derivatives. Does anyone have a link to sets of problems...

Nov1613 10:24 PM
HJ Farnsworth

2 
657 
If from the derivate, we can generate an equation that is the equation of the tangent straight, so:
...

Nov1613 08:09 PM
Simon Bridge

5 
598 
Hi All,
I am having some troble with the following integral
$$\int_{c}^{c}...

Nov1613 08:50 AM
muzialis

11 
751 
Hey guys, I have been trying this question for 40 minutes and I can't get the answer.
Evaluate lim as x approaches...

Nov1613 06:29 AM
hilbert2

4 
569 
Hello all,
I've come across big and little o notation a few times now in my mathematics studies, but only ever on a...

Nov1513 01:38 PM
LoA

0 
621 
When you multiply or divide macularin series to find, let's say, the first 3 nonzero terms of the polynomial, how many...

Nov1513 10:00 AM
vanhees71

2 
524 
Dear,
I have a task to model the behaviour of certain interphase material. Let's say that functions which describe...

Nov1413 09:53 AM
muzialis

11 
636 
I am trying to understand an example from my textbook "applied finite element analysis" and in the variational...

Nov1413 05:51 AM
muzialis

3 
727 
I need to know the Surface Area and Volume of a spherical ball at the origin radius a.
What I want is to evaluate...

Nov1313 05:47 PM
mathman

2 
654 
Just want to verify if I am correct in assuming that
tan 6x is exactly the same thing as 6 tan x
It's merely a...

Nov1313 03:28 PM
Mark44

10 
940 
I learned this a while ago in my calculus 2 class and I was just thinking about it... Where do these error equations...

Nov1313 11:57 AM
iRaid

6 
835 
I know the mean value theorem for \mathbb{R}^1 expressed in terms of an equality doesn't strictly generalize to...

Nov1313 02:46 AM
bolbteppa

0 
599 
I never really understood leibniz notation. I know that dy/dx means differential of y with respect to x, but what do...

Nov1213 06:44 PM
Mark44

10 
1,073 
Hello Everyone,
So in other words, if you didn't understand what I'm saying from the title of this post, look at it...

Nov1113 07:18 PM
crunchynet

12 
942 
Hi 
I was reading Adams' "Calculus: A Complete Course" (6th edition) and he offers the following proof that the...

Nov1113 12:55 PM
arildno

5 
812 
Hey everyone, I recently learned that my certified genius weirdunclewholivesathome (IQ over 200 something,...

Nov1113 11:35 AM
wavepart7cle

5 
1,014 
Hello there,
I am struggling in proving the following.
The principle of Minimum energy for an elastic body (no...

Nov1113 09:27 AM
muzialis

1 
491 
I've been trying to find the equation of the line of no strain of a bent linearly elastic beam of fixed length.
(in...

Nov1013 09:15 PM
nkpstn

0 
672 
a = b : this set = this many pieces
a % b = c : this set % this many pieces = this many sets
c * b = a : this many...

Nov1013 07:44 PM
mr magoo

2 
737 
Are Local Linear Approximation, Linear Approximation, and Linearization all the same thing?
Question is, I...

Nov1013 03:51 PM
HallsofIvy

1 
558 
Hi everyone! I have (I think a major) problem so I'm hoping you could give me some useful advice.
I am working on my...

Nov913 12:12 PM
ad4stra

1 
687 
Hi all,
A very fundamental question here, but I cannot find solution from calculus books. Anyone know how to...

Nov913 08:19 AM
cxcxcx0505

5 
1,006 
Firstly, the set E is defined:
"Let E be the set of all positive real numbers t such that tn<x."
Later on the...

Nov913 07:43 AM
bhagwad

2 
1,476 
What is the difference between path independence and a conservative vector field?
It seems like both definitions...

Nov913 05:19 AM
vanhees71

4 
750 
A week or two ago we went through index notation in class, however I didn't understand it when the lecturer was going...

Nov813 04:49 PM
raxAdaam

7 
842 
What is the sum of an infinite Dirac series and why? 1 or infinity?
\sum_{n=\infty}^{\infty}\delta (n)
I can...

Nov613 11:37 PM
pwsnafu

5 
930 
Hi,I am just starting to solve calculus problems but,how is it possible,that from v(t) we can get so many differently...

Nov613 06:19 PM
Mark44

9 
1,182 
Given 4 symbols, each one with probability p(Si), the entropy of the system is:
H = Ʃ p(Si)*Log(p(Si))
I would...

Nov613 04:03 PM
Olimak

0 
546 
X downward arrow a (is it limit from left)
X upward arrow a (is it limit from right)
?

Nov613 11:25 AM
woundedtiger4

2 
631 
∫x(dx)^2=?
and what is the difference between dx^2 and (dx)^2?

Nov613 05:36 AM
Simon Bridge

20 
1,763 
\mathcal{F}\{f(r)\}=\int e^{i\vec{k}\cdot \vec{r}}f(r)d\vec{r}
in spherical polar coordinates...

Nov613 01:40 AM
LagrangeEuler

2 
539 
Hi all,
I have a question regarding certain double integrals.
Assume the function $$ l(t) $$ is given as well as...

Nov513 08:11 AM
muzialis

0 
587 
I am really having trouble understanding how upper and lower sums are calculated. In the equations Ʃf(Mi)Δx and...

Nov513 05:46 AM
imull

5 
663 
The title basically says it all but basically the 3rd edition of the book is missing a lot of solutions i would like...

Nov413 04:41 PM
tridianprime

16 
1,197 
Do we get function for velocity or do we get the function for the total change in velocity?

Nov413 09:46 AM
AakashPandita

5 
924 
The area of a polar curve is given by A=(1/2)∫ r2 d (theta).
this can be interpreted as δA= ∏r2δ(theta)/2∏ (treating...

Nov413 09:34 AM
vanhees71

6 
673 
is it that limit can be taken for something approaching to any value while derivative is limit for the value of that...

Nov413 08:20 AM
AakashPandita

5 
683 
Why does if a function can equal zero, since you can't take the log of zero.
EDIT:
let me rephrase the question;...

Nov413 08:09 AM
HallsofIvy

5 
784 