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Questions Asked

apple_pi:
Group Title
This thing...
1+x+x^2+x^3+...=1/(1x)
Is true for x < 1 right?
 updated 8 months ago
 21 replies
 6 Medals
Mathematics

apple_pi:
Group Title
Regarding Numberphile's latest video...
(Sum of Natural Numbers)
http://www.youtube.com/watch?v=Ed9mgo8FGk
 updated 8 months ago
 1 reply
 No Medals Yet
Mathematics

apple_pi:
Group Title
Currently on Chrome (should be same on other browsers)
Like a lot of people I do tabbed browsing, more specifically tabbed browsing for O…
 updated 9 months ago
 3 replies
 No Medals Yet
Mathematics

apple_pi:
Group Title
Integrate velocity^3 with respect to time
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

apple_pi:
Group Title
What is the probability of rolling a total of 20 with 10 dice? More generally, what is the probability of rolling x with n dice?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

apple_pi:
Group Title
What is 1^i?
 updated one year ago
 41 replies
 8 Medals
Mathematics

apple_pi:
Group Title
How to evaluate gamma function at n?
\[\Gamma(n)=\int\limits_{0}^{\infty}e^{t}t^{n1}dt\]
…
 updated one year ago
 36 replies
 2 Medals
Mathematics

apple_pi:
Group Title
Prove sin(8x)sin(2x)=(sin(5x))^2(sin(3x))^2
 updated one year ago
 3 replies
 1 Medal
Mathematics

apple_pi:
Group Title
Solve sin(7x)cos(x) + cos(7x)sin(x) = sin(4x)
 updated one year ago
 15 replies
 2 Medals
Mathematics

apple_pi:
Group Title
I need to generate a random number between 1 and 100 following a gaussian distribution. How can I achieve this?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

apple_pi:
Group Title
Prove Trigonometric Identity
 updated one year ago
 34 replies
 1 Medal
Mathematics

apple_pi:
Group Title
Did you guys make a new mobile site? Or have I been living under a rock? Either way nice job guys :D
 updated one year ago
 2 replies
 1 Medal
Mathematics

apple_pi:
Group Title
51a+2b=84c
How to find smallest solutions for a,b,c
 updated one year ago
 28 replies
 1 Medal
Mathematics

apple_pi:
Group Title
Can anyone identify the visual techniques in this image?
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

apple_pi:
Group Title
Integrating e^(x^2)
Just wait...I'll post my thing
 updated one year ago
 5 replies
 1 Medal
Mathematics

apple_pi:
Group Title
I go to http://openstudy.com/users/apple_pi/fans and get:
The Requested URL /users/apple_pi/fans was not found on this server
 updated one year ago
 6 replies
 2 Medals
Mathematics

apple_pi:
Group Title
Macbeth  Act 3 Scene 2
"We have scorch’d the snake, not kill’d it."
What are the techniques and effect here?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

apple_pi:
Group Title
Factor: x^42x^3+x^2+8x5
Try it manually...how is it done?
 updated one year ago
 16 replies
 4 Medals
Mathematics

apple_pi:
Group Title
How would YOU (not fancy schmancy people) calculate the distance from the earth to the sun?
 updated one year ago
 6 replies
 2 Medals
Mathematics

apple_pi:
Group Title
Why is it that when you integrate a function, you get the area under the curve?
 updated one year ago
 8 replies
 2 Medals
Mathematics

apple_pi:
Group Title
simplify
\[\sin^2(6)+\cos^2(12)+\cos^2(48)+\sin^2(66)\]
 updated one year ago
 31 replies
 7 Medals
Mathematics

apple_pi:
Group Title
Simplify
sin^2(54)+cos^2(72)
 updated one year ago
 29 replies
 3 Medals
Mathematics

apple_pi:
Group Title
Where does the equation for simple pendulum motion come from? \[T=2\pi \sqrt{\frac{ l }{ g }}\] where T is period, l is string length, g is …
 updated one year ago
 62 replies
 1 Medal
Mathematics

apple_pi:
Group Title
How do you put this into reduced row echelon form?
$$
…
 updated one year ago
 13 replies
 No Medals Yet
Mathematics

apple_pi:
Group Title
test
 updated one year ago
 No Medals Yet
Mathematics

apple_pi:
Group Title
Is there a method for finding the derivative of y=x^2 without using calculus OR LIMITS?
I think I have found a way, but would first like …
 updated 2 years ago
 41 replies
 3 Medals
Mathematics

apple_pi:
Group Title
Can someone list all the important points inside a triangle (and briefly describe what they are) which are found using the perpendiculars at…
 updated 2 years ago
 21 replies
 No Medals Yet
Mathematics

apple_pi:
Group Title
The parabola y=ax^2+bx+c, c≠0 meets the xaxis at A(α,0) and B(β,0) and the yaxis at C. If AC and BC are perpendicular, prove ac=1
 updated 2 years ago
 19 replies
 4 Medals
Mathematics

apple_pi:
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Prove:
 updated 2 years ago
 18 replies
 3 Medals
Mathematics

apple_pi:
Group Title
Quick suggestion
 updated 2 years ago
 8 replies
 3 Medals
Mathematics
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