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- Elementary functions. Calculating limits, derivatives and integrals. Optimization problems
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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 46,282
S is a portion of a curve with r(u,v) where 0 < u < 2 and 0 < v < 2pi I'm meant to calculate Flux of the vector...
Apr26-13 09:19 AM
2 673
I have a question about limits at infinity, particularly, about a limit I have seen in the context of infinite series...
Apr21-13 04:43 PM
7 1,127
If I want to find \int f(x) dx where x=a+b and a and b are both variables how would I do this in terms of a and b....
Apr21-13 08:05 PM
8 1,266
I'm scheduled to take Calculus II this Fall semester, but it will have been over a year since I'd taken Calculus I. I...
Apr16-13 05:48 PM
8 1,124
Hello I was trying to solve this sample problem, but I really dont get it. The book says this word by word: The...
Apr17-13 03:59 PM
2 4,079
Ive repeatedly asked people and my teachers how to solve logs by hand, and ive always got the same answer "They used...
Apr21-13 08:41 PM
4 902
Note: If this is the wrong sub-forum for this question please move it. I was not sure if this question should go in...
Apr16-13 07:32 PM
1 585
I am working on the derivation of Green's Theorem. I might have more question in later post. I am looking at this pdf...
Apr17-13 03:10 PM
2 637
Hello all, I'm having trouble showing that |e^it|=1, where i is the imaginary unit. I expanded this to...
Apr18-13 06:15 AM
6 3,897
Hi I am struggling trying to see understand the basic propagator integral trick. \int...
Apr20-13 05:29 AM
2 715
Is there any rule of thumb for which variable should be integrated first?, i.e. to make the whole process of double...
Apr18-13 04:36 PM
Simon Bridge
1 481
If I want to find the distance from a point to a plane. E.g. (2,1,-1) to the plane x+y+z=1 I know that distance...
Apr20-13 05:23 PM
8 823
The signal length from the satellite to the earth station can be found as 2(hs-he)/ if theta < 5 degrees Due to...
Apr18-13 09:31 AM
1 510
so i have a question about calculating the RMS value of a fully rectified clamped sinusoid. Assumptions: The top...
Apr20-13 10:18 AM
Stephen Tashi
1 635
Hello, I was studying the theorem of smoothness/compactness in Fourier theory and at the very last step of the...
Apr25-13 03:20 AM
5 891
Hi guys, I was solving this problem using backward interpolation ...
Apr18-13 06:28 PM
1 665
Hi guys, I am getting to the end of my cal 2 class and we're hitting infinite series, I was just curious what are...
Apr21-13 04:13 PM
12 892
When doing a path integral to determine the work done by a particle : ...
Apr19-13 08:34 AM
1 455
Hello, Could anyone please explain me the steps in these pictures. I do not understand the second step. ...
Apr21-13 09:37 PM
3 754
The signal length from satellite to the earth station (AC) can be found as 2(H)/ Due to the earth projection ...
Apr21-13 10:47 AM
3 706
This is a copy of the book: I know the derivation part, I just want to see...
Apr21-13 03:39 PM
2 503
Could you help me to find the general term of the sequence: ## 1 , \frac{5}{3} , 1 , \frac{15}{17} , 1 ,...
Apr21-13 04:34 AM
5 629
Is it posible that the product of two different divergent series be a convergent serie?
Apr21-13 03:01 AM
2 470
Hi all, could some one tell me what I am doing wrong in my analysis in the attached file? Its a parabolical flare...
Apr26-13 04:35 AM
6 938
I was sifting through the beginning of my book when i came upon a section based on marginals and differentials. My...
Apr28-13 04:50 AM
7 1,075
Can someone please show me how the formula \sum^{∞}_{0}\frac{u^{x}}{x!} = e^{u} Is derived? Or link me to an...
Apr21-13 06:27 PM
3 733
Hello. I can't seem to wrap my head around the geometry of the gradient vector in ℝ3 So for F=f(x(t),y(t)),...
Apr22-13 02:50 AM
8 1,013
Hi! I am trying to solve this triple integral for computing the potential: ...
Apr22-13 10:35 AM
4 623
Back to how income differences is explained in neoclassical theory, one can ask the question why GDP/capita is $5200...
Apr22-13 12:34 PM
1 623
1. The following integral identity holds...
Apr27-13 01:31 AM
4 922
I'm working on simple game and am working on a leveling system, using a function to get experience needed. I am using...
Apr25-13 12:23 AM
10 755
Hi, I'm doing an online course for Calculus 12 and I have been struggling with Implicit Differentiation, hoping...
Apr24-13 06:15 AM
3 530
Hello Firstly apologies for what seems like an extremely fundamental question, it's been a while since I've done...
Apr25-13 05:37 PM
4 701
Function is context is: $$\int \frac{(sin^22x)}{(4(1+3cos^2(x)))}dx$$ And according to wolframalpha (I wasn't able...
Apr24-13 04:54 PM
4 711
I'm trying to understand the concept of a Gradient vector, and it seems I'm having trouble visualizing certain stuff....
Apr26-13 06:50 AM
3 679
Stokes' Theorem says the curve integral of any surface S simply equals the counter-clockwise circulation around its...
Apr25-13 07:51 AM
3 797
Hi all, I'm working on a math problem with a known answer - though I can't reproduce the maths. The problem is...
Apr26-13 04:48 PM
3 879
Instead of the shell method, can't one find the volume of a sphere by integrating/summing its horizontal areas?
Apr26-13 12:24 PM
1 598
When creating a Fourier series for a function f(x), I consider whether the function is odd or even first. Yet, often...
Apr27-13 07:03 PM
3 770
The natural logarithm can be expressed as lim n(x^(1/n)−1) n->ifinity Can someone please derive...
Apr28-13 06:34 PM
3 657

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