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- Elementary functions. Calculating limits, derivatives and integrals. Optimization problems
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Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
Feb23-13 09:24 AM
1 40,144
The correct one is 2nd, but why not first? Please guide , or tell me any link that relate to this derivation. Thanks
Jul16-13 06:54 AM
2 400
And your boundaries are defined as: 0 < x < y < 1 How do you know the relationship between x and beyond this? ...
Jul15-13 02:00 AM
1 366
i have reached a chapter in my pure mathematics text that introduces u-substitution as a method for solving integrals...
Jul19-13 09:31 AM
4 534
I'm taking a short Calculus session this summer and the teacher zooms through things. I still don't fully understand...
Jul21-13 08:25 PM
35 1,880
Jul17-13 10:24 AM
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Is there a standard notation for partial derivatives that uses indexes instead of letters to denote ideas such as the...
Jul13-13 11:44 PM
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My question is that why is their a need for both upper and lower while calculating Definite Integrals. The...
Jul14-13 02:11 AM
5 576
Recently, an AT&T commercial has been running on TV where a moderator asks some children about the largest number they...
Jul15-13 06:12 PM
8 514
Does anyone know of solutions (or sources showing them) to the area and line lengths of the loops and arcs of prolate...
Jul12-13 05:56 PM
2 507
1.)does an infinite number of zeroes summed up equal a finite value? 2.)does dx=0? 3.)does 2xdx=0? 4.)the...
Jul16-13 03:18 PM
31 1,642
Imagine an box with initial dimension x_0 and y_0 with a cavity in the centre with area R^2 . Lets say the box...
Jul12-13 01:31 PM
4 479
if we want to find the volume of a function revolved about the x axis all we do is find the differential element.. ...
Jul12-13 08:45 PM
Simon Bridge
5 685
i understand the reason for if the evaluated integral converges then the series also converges. However, just because...
Jul10-13 01:10 PM
7 751
would someone please care to reword this proof for me? it...
Jul10-13 06:50 PM
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Hello guys! I am trying to get a solid grasp of the Precise Definition of a Limit. I am having a particular hard...
Jul10-13 05:21 PM
8 806
Hi, I'm studying calculus of variations, this is a bit of a recap of regular calculus. You got a function, but...
Jul12-13 05:57 PM
4 653
Is there a treatment of "infinitesimal operators" that is rigorous from the epsilon-delta point of view? In looking...
Jul23-13 09:25 AM
Stephen Tashi
68 3,602
I just learned that d/dx|r(t)|=1/|r(t) |X r(t)*r'(t), where * is the dot product and X is mutiply. What is the meaning...
Jul19-13 03:58 PM
3 568
Its been a while since I've done any type of calculus. So here we go. Vectors is this scenario represent cords,...
Jul17-13 05:54 PM
1 371
So I'm trying to study for my calc 3 exam, but I have noticed that my book doesn't have many limit questions that use...
Jul17-13 04:31 PM
1 522
I would like to take divergence of the following expression ∇.((xi xj xk)/r^3), which is a triadic. here ...
Jul17-13 08:48 AM
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so, the magnitude of the cross product represents the area or volume enclosed by any 2 or 3 vectors respectively, but...
Jul17-13 05:00 PM
2 513
equation of the form ax+bx+cx=a0+b0+c0 ax+bx+cx=d what exactly does "d" represent? is it the distance of a...
Jul17-13 06:54 PM
5 512
I don't understand what the derivatives really mean?I know that they are the slope of the tangents drawn to a...
Jul10-13 02:02 AM
3 517
Hi there. I am dealing with a mathematical problem which seems to be much harder than I initially expected: ...
Jul19-13 11:19 AM
9 603
Hello. I'm not terribly proficient with Bessel functions, but I know that those of the first kind are given by ...
Jul12-13 05:20 AM
2 546
For the series such that: \Sigma _{n=1} ^{\infty} a_n =\Sigma _{n=1} ^{\infty} b_n A certain theorem says that these...
Jul16-13 11:12 AM
11 1,012
Let's suppose we have a matrix ##\textbf{C}=\begin{bmatrix}c_{1,1} & c_{1,2} & c_{1,3} & \cdots & c_{1,m} \\ c_{2,1} &...
Jul9-13 09:45 PM
1 459
In this video (from 27.00 - 50.00, which you don't need to watch!) a guy shows how you can solve the general second...
Jul15-13 01:18 PM
6 474
if space curve C=<f(t),g(t),h(t)>, and v=\frac{dC}{dt}=<\frac{df(t)}{dt},\frac{dg(t)}{dt},\frac{dh(t)}{dt}> Why...
Jul16-13 07:43 PM
3 565
How to find the integral of sin x dx? $$\int sin x dx=?$$
Jul23-13 02:17 AM
20 1,078
how do I find the integral of ∫√(t^4+x^3)dt from 0 to x^2?
Jul18-13 10:39 PM
1 286
Hi there, I am trying to calculate both volume and moment of inertia of shapes which surface coordinates are...
Jul20-13 04:00 PM
6 545
So i realize that the integral of is pretty much the height of the rectangle f(x), multiplied by the width dx. But...
Jul21-13 01:39 PM
6 632
So, I'm studying normalization (Quantum Mechanics). I came across examples of integrands which they say are odd. So,...
Jul21-13 07:47 AM
11 1,084
I was looking at an example where it was evaluating a closed loop integral of a vector field around a triangle (0,0)...
Jul22-13 01:32 PM
2 428
Hello I'd first like to state I know how to solve and I know the answer to this integral however when I first looked...
Jul22-13 11:35 AM
3 455
The volume of a sphere with radius r is v = \frac{4}{3}\pi r ^{3} It makes sense that its derivative with...
Jul23-13 05:57 PM
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In an earlier post i was shown how to represent an integral as an infinite sum. So why is the anti derivative a...
Jul22-13 10:02 PM
4 542
f is a positive decreasing function of x, f(n) = an for all n: \int\stackrel{n+1}{1} f(x) dx \leq a_{1} + a_{2} +...
Jul23-13 12:56 PM
2 473

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