Register to Post Thread


- Elementary functions. Calculating limits, derivatives and integrals. Optimization problems
RSS Feed Icon
Meta Thread / Thread Starter Last Post Replies Views
Jan16-12 Greg Bernhardt
Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
Feb23-13 09:24 AM
1 44,121
I have had some trouble with Kleppner and Kollenkow's derivation of work in a uniform force field. As the attached...
T 08:39 PM
7 159
17.3-(17.3)e^(-92.34940680845194549420x)^y)=17.30181504460159157646-((17.3-(17.3)e^((-0.00118329948908244714x)^y)) ...
T 01:01 PM
2 83
So I'm struggling if I should interpret the integral as a sum of infinitesimally small quantities or as just the...
Y 09:31 PM
11 636
Is a function with a removable discontinuity considered continuous? I've looked through about 6 calculus texts and...
Y 04:25 PM
11 545
Hello everyone. Last week I had an exam in advanced calculus. One of the questions asked about the continuity of a...
Jul20-14 03:59 AM
3 305
Hello, Can someone show me how the inverse Phasor transform of the sum of individual Phasors of sinusoidal...
Jul19-14 11:11 PM
8 629
Hi Guys, I am revising for an exam i have this week, the last module on my subject was calculus. I did not...
Jul19-14 11:01 PM
7 649
Can anyone explain this to me? What does if mean that the area may sometimes be negative but that the area must be...
Jul19-14 10:48 PM
7 765
I think I may have found an error in the text I'm reading. Here's a quote: ... + \int_0^{\infty}x^rf_1(x)sin(2\pi...
Jul19-14 12:59 PM
20 1,607
Hello, We know that surface integrals come to the form of a surface integral of a scalar function over a surface...
Jul19-14 08:48 AM
5 516
Hello Forum, I am familiar with the arithmetic sequence (the difference between one entry and the previous one is...
Jul17-14 04:26 PM
4 396
To find E |X| of a cauchy random variable, I need to integrate \int_{-\infty}^{\infty}\frac1{\pi}\frac{|x|}{1+x^2}dx...
Jul17-14 12:33 PM
3 520
Hi, so this is just a quick question about taking a derivative of an integral. Assume that I have some function of...
Jul16-14 06:34 PM
1 446
I have a few questions about the generalizations of concepts like integration and differentiation of single-valued...
Jul16-14 03:13 PM
3 1,491
Hey all, this is my first post here, I have a question that is kind of annoying me: I came across this equation: ...
Jul16-14 11:13 AM
1 517
$$\int \sqrt{f(x)}dx$$ is NOT the same as.. $$\sqrt{\int f(x)dx}$$ right? i did an example problem and they...
Jul16-14 11:12 AM
4 655
Hi everyone. Recently, I came across a closed form solution to ∫|cos(x)|dx as sin(x-∏*floor(x/∏+1/2)) +...
Jul16-14 03:28 AM
1 637
Hi everyone, first post. Anyway, I am reviewing my math physics, and I am having trouble understanding the Divergence...
Jul15-14 01:21 PM
3 878
A few months ago, I stumped my Mathematics teacher with a question when we were learning about displacement of a...
Jul15-14 07:59 AM
6 682
Differentiation by first principles is as followed: $$y'=\lim_{h\rightarrow 0}\dfrac {f\left( x+h\right) -f\left(...
Jul15-14 04:45 AM
7 667
consider this IVP y'=r-ky , y(0)=y0 y= (y0)e^(-kt) + (r/k)(1-e^(-kt)) if y,y0,r,t are provided, we should be able...
Jul14-14 11:38 PM
0 1,012
Hi, When we have \frac{\partial}{\partial r}(r\frac{\partial p}{\partial r})=0 and we get r\frac{\partial...
Jul14-14 01:35 PM
1 581
My question is related to the exponential growth and decay formula Q=Ae^(kt). Simply, why is the value e used as...
Jul14-14 12:21 PM
6 701
Is the following statement valid? sinh{x^2}=\frac{e^{x^2}-e^{x^2}}{2} Reason I ask cause I know that...
Jul13-14 05:25 PM
2 910
Let's say we have a function F(\vec{r})=F(s, \phi, z). Then (correct me if I'm wrong): \frac{dF}{dx}=\frac{\partial...
Jul12-14 06:44 AM
5 1,910
As part of a physics calculation, I have the following integral $$\int d \bar x a^{\sigma} \left,$$ with Einstein...
Jul10-14 03:16 PM
9 1,472
I know the formula for a change of variables in a double integral using Jacobians. $$ \iint_{S}\,dx\,dy =...
Jul10-14 07:35 AM
9 1,913
What is this integral \int\left(\frac{\mathrm{arcsinh}(ax)}{ax}\right)^{b}dx where a and b are constants.
Jul9-14 06:43 PM
3 1,353
Hi, What is the derivative of a p-fold convolution? \frac{\partial}{\partial Y(\omega) } \underbrace{Y(\omega)...
Jul9-14 12:32 AM
1 990
What is the indefinite integral of cosec(\theta)?
Jul8-14 08:59 PM
4 1,156
What is Parabolic Calculus?
Jul8-14 07:23 AM
1 981
how to solve triple integrals in cylindrical, spherical and rectangular coordinates ..easy ways
Jul6-14 08:35 PM
1 1,139
Hi there! The question is: if I have to prove that a function is a change of variable it is sufficient to prove...
Jul6-14 08:24 AM
1 1,220
How is Area a vector? How does it have direction? I thought it was basically a scalar quantity because it only had...
Jul6-14 08:20 AM
2 1,090
I was reading a chapter on differentials in my calculus book, when I came across the graph shown in the image attached...
Jul5-14 03:07 PM
8 1,520
I am familiar with the fact that the number e can be defined several ways. One particularly interesting definition is...
Jul5-14 12:56 PM
4 1,353
Since learning about being able to complexify differential equations (I am doing the MIT OCW course by Arthur...
Jul4-14 02:35 PM
1 1,317
I think i discovered a new way to define an integral, i dont know if it helps in any particular case, but its an idea...
Jul4-14 12:59 PM
5 1,510
I know the value of the following definite integral \int_{a}^{b}ydx I also have a realtion x=f(y) i.e. x...
Jul3-14 01:25 PM
I like Serena
2 1,653
Hey, I was just wondering if there was a way to prove the power rule for integration using the definition of a...
Jul3-14 10:55 AM
1 1,197

Register to Post Thread
Bookmark and Share

Display Options for Calculus Mentors
Showing threads 1 to 40 of 12729 Mentors : 2
Forum Tools Search this Forum
Search this Forum :
Advanced Search