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  • 0 posts edited
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  • 13 votes cast
Dec
13
comment What is $\sum_{n=1}^{\infty} \frac{n}{2^{\sqrt{n}}}$?
Could L'Hôpital's rule be applied? It is infinity over infinity. ALso, according to wolfram alpha "lim x->infinity sum (x/(2^sqrt(x)))" returns $51.919191....$
Dec
11
awarded  Caucus
Dec
7
revised Maximum area of a isosceles triangle in a circle with a radius r
edited body
Dec
7
revised Maximum area of a isosceles triangle in a circle with a radius r
added 320 characters in body
Dec
7
revised Maximum area of a isosceles triangle in a circle with a radius r
edited body
Dec
7
asked Maximum area of a isosceles triangle in a circle with a radius r
Dec
6
awarded  Yearling
Dec
6
accepted The minimum value of $\frac{a(x+a)^2}{\sqrt{x^2-a^2}}$
Dec
6
revised The minimum value of $\frac{a(x+a)^2}{\sqrt{x^2-a^2}}$
edited body; edited title
Dec
6
comment The minimum value of $\frac{a(x+a)^2}{\sqrt{x^2-a^2}}$
Oops. It was for an applied optimization problem. It didn't explicitly say "maximum," but I didn't want to include the extra info, just the derivative. I will edit
Dec
6
asked The minimum value of $\frac{a(x+a)^2}{\sqrt{x^2-a^2}}$
Dec
6
accepted Maximize area of a corral
Dec
6
asked Maximize area of a corral
Nov
1
accepted $a^4+b^2+c^2=2014$
Nov
1
asked $a^4+b^2+c^2=2014$
Oct
11
answered Graph single equation on calculator
Sep
24
awarded  Autobiographer
Sep
17
awarded  Tumbleweed
Sep
15
accepted $\displaystyle \frac{d}{dx}2^x$ where $x=0$
Sep
15
comment $\displaystyle \frac{d}{dx}2^x$ where $x=0$
@Shahar Yes {need more characters}