06/28/14

How do I write this program?
Write a python program that finds all of the prime numbers between 1 and 100.   This is what I wrote: print [n for n in xrange(1, 100) if n%n==0]   and it gave me a bunch of numbers from 1 to... more
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06/25/14

How do I write this program?
Write a program which will find all numbers that are divisible by 7 but are not a multiple of 5, between 2000 and 3200 (both included). The numbers obtained should be printed in a comma-separated... more
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06/24/14

How do I get SymPy?
How do I get SymPy? Can anyone give me the website and tell me how to get it step by step?
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06/24/14

What skills are needed to build a search engine?
What skills are needed to build a search engine like Google? I'm currently learning python but I want to know what other programming languages that I need to know and what other programming skills... more
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06/14/14

How do I get Python Interpreter online for free?
I have Notepad++ but I need to get Python Interpreter to write Python programs and execute them. But how do I get Python Interpreter online for free? I have a shortcut of JetBrains PyCharm... more
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06/12/14

Please help me with downloading python?
I went to the website www.python/org/downloads/ and clicked on the yellow button where says Download Python 3.4.1 and I waited and I followed the procedure but when I checked my File Explorer and... more
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05/26/14

Evaluate the integral?
Evaluate the integral ∫ from 0 to 1 ∫ from sqrt(y) to 1 of e^x^3 dx dy by reversing the order of integration.    Please show all your work.
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05/24/14

Integrate f(x, y, z)?
Integrate f(x, y, z)=x^2+y^2-z over the tetrahedron with vertices (0, 0, 0), (1, 1, 0), (0, 1, 0), (0, 0, 3).   Please show all your work.
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05/24/14

Find the triple integral?
Evaluate the triple integral ∫ from 0 to 1 ∫ from 0 to z ∫ from 0 to 2y of 22*ze^-y^2 dx dy dz.   The answer should be 11/e but I got (11/2)e^-y^2. Can anyone please show all the work that leads... more
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05/24/14

How to write an iterated integral?
Consider the double integral x*y^2 dA where R is the region bounded by y=x^2 and y=2x.    a) Write an iterated integral with the order dy dx that is equal to the above integral. b) Write an... more
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05/12/14

Is Complex Analysis the same thing as Complex Variables?
Is Complex Analysis the same thing as Complex Variables? What level is this math? College junior math or college senior math? Is it pure or applied math? Is it useful for computer science and... more
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05/10/14

Can you prove this?
Can you prove lim x-->-∞ 1/x=0.   Please show all your work. 
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05/10/14

Can you prove this?
Prove that lim x-->0 1/x^2=∞.    Please show all your work. And tell me what level of math this is. Is it Calculus I or Calculus II or Calculus III or other?
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04/21/14

Find the volume?
Find the volume of the solid generated by rotating about the x-axis the region enclosed by the curve y=sec x and the lines x=0, y=0, and x=pi/3.    Answer: pi*sqrt(3)   Please show all your... more
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04/19/14

Help me with trapezoidal approximation?
The trapezoidal approximation of ∫ sin x dx from 0 to pi using 4 equal subdivisions of the interval of integration is    a) pi/2 b) pi c) (pi/4)(1+sqrt(2)) d) (pi/2)(1+sqrt(2)) e)... more
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04/19/14

Please answer this calculus question?
Let F(x)=∫ sin(t^2) dt from 0 to x for 0≤x≤3.    a) Use the Trapezoidal Rule with four equal subdivisions of the closed interval [0, 2] to approximate F(2). b) On what interval or intervals is F... more
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04/16/14

Find the area?
Find the area enclosed by the curves y=x^3-8x^2+18x-5 and y=x+5.    Please show all your work.
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04/15/14

Please find f(x)?
If f'(x)=-f(x) and f(1)=1, find f(x).    Answer: e^(1-x)   Please show all the work. 
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04/14/14

Help me with Riemann sum approximation?
The expression (1/20)(sqrt(1/20)+sqrt(2/20)+sqrt(3/20)+...+sqrt(20/20)) is a Riemann sum approximation for    a) ∫ sqrt(x/20) dx from 0 to 1   b) ∫ sqrt(x) dx from 0 to 1   c) (1/20) ∫... more
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04/13/14

Can you answer this calculus question?
A particle moves along the graph of y=cos x so that its x-component of acceleration is always 2. At time t=0, the particle is at the point (pi, -1) and the velocity of the particle is <0,... more
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04/11/14

Can you please verify the correct answer? (Just check my work)
Which of the following is equal to the area of the region inside the polar curve r=2cos(θ) and outside the polar curve r=cos(θ)?   a) 3 ∫ cos^2 (θ) dθ from 0 to pi/2   b) 3 ∫ cos^2 (θ) dθ from... more
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04/08/14

The point on the curve?
The point on the curve x^2+2y=0 that is nearest the point (0, -1/2) occurs where y is    a) 1/2 b) 0 c) -1/2 d) -1 e) none of the above   Answer: B   Please show all your work. Thanks. 
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04/08/14

What are the coordinates for this point?
The Mean Value Theorem guarantees the existence of a special point on the graph of y=sqrt(x) between (0, 0) and (4, 2). What are the coordinates of this point?    Answer: (1, 1)   Please show... more
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04/08/14

Can you answer this Calculus question?
Let f be a function that has derivatives of all orders for all real numbers. Assume that f(3)=1, f'(3)=4, f"(3)=6, and f'''(3)=12.    a) Write the third order Taylor polynomial for f at x=3 and... more
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04/07/14

Find the asymptotes?
Find the asymptotes of the graph of the parametric equations x=1/t, y=t/(t+1).    a) x=0, y=0 b) x=0 only c) x=-1, y=0 d) x=-1 only e) x=0, y=1   Please show all your work. Thanks. 
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