285 reputation
19
bio website speedsums.com
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visits member for 1 year, 10 months
seen 17 hours ago

Jul
2
awarded  Curious
Jun
8
asked Finding the equations of surfaces of revolution
May
19
accepted How do I integrate $\frac{x}{1+x^3}$?
May
19
asked How do I integrate $\frac{x}{1+x^3}$?
May
19
accepted How to integrate $\int_0^{\pi/2} \ \dfrac{\cos{x}}{\sqrt{1+\cos{x}}} \, \mathrm{d}x.$
May
19
asked How to integrate $\int_0^{\pi/2} \ \dfrac{\cos{x}}{\sqrt{1+\cos{x}}} \, \mathrm{d}x.$
May
16
accepted What is the orbit of a set?
May
15
comment What is the orbit of a set?
Ahh I see, thank you!
May
15
comment What is the orbit of a set?
@SpamIAm Sorry, G is acting by conjugation
May
15
asked What is the orbit of a set?
May
10
asked How to prove that there is no interval that maps to itself under a function
May
9
awarded  Popular Question
Apr
23
accepted Volume between paraboloid and plane
Apr
23
comment Volume between paraboloid and plane
r from 0 to 1, theta from 0 to 2pi
Apr
23
comment Volume between paraboloid and plane
Awesome, that's what I got in the end. Thanks :)
Apr
23
asked Volume between paraboloid and plane
Apr
18
accepted Using Taylor expansion to evaluate infinite sum
Apr
9
comment Using Taylor expansion to evaluate infinite sum
@FlybyNight I've written out the expansion of (1+x)^-0.5 and tried seeing what different values of x would give as infinite sums, but to no avail
Apr
9
comment Using Taylor expansion to evaluate infinite sum
Thanks a lot - really useful. Will the sum then be (1+12/25)^-0.5 ? That's just a guess from looking at the other question that you linked, but I'm not sure why that works :(
Apr
9
asked Using Taylor expansion to evaluate infinite sum