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Don't have much time these days...


Jun
24
revised Complete vs Perfect infomation in Combinatorial game theory
edited tags
Jun
24
revised Finding $\sin^{-1}(x)$ without using a calculator
edited body
Jun
17
answered Proving that a sequence is monotone and bounded
Jun
14
comment Find a closed form for this sequence: $a_{n+1} = a_n + a_n^{-1}$
@ShivamPatel: No :-( didn't work on this after I posted this.
Jun
10
awarded  Good Answer
May
31
awarded  Good Answer
May
31
awarded  Nice Question
May
29
awarded  Good Answer
May
12
awarded  Enlightened
May
12
awarded  Nice Answer
May
7
comment Calculating the integral $\int_{0}^{\infty} \frac{\cos x}{1+x^2}\mathrm{d}x$ without using complex analysis
@AmadeusDrZaius: Differentiate $F(y)$ (differentiate with respect to $y$ inside the integral).
Apr
17
revised how can be prove that $\max(f(n),g(n)) = \Theta(f(n)+g(n))$
added 128 characters in body
Apr
11
awarded  Nice Answer
Apr
3
comment Upper bound for logarithmic integral
Based on this answer: math.stackexchange.com/a/7804/1102 (on which you commented), seems like $c=e^2 + 1$ should do.
Apr
2
revised Show that $0 < \frac{y-x}{1+xy} < 1$.
edited tags
Mar
25
comment Why is the area under a curve the integral?
@MuhammadUmer: I don't understand what you are trying to say. The second part applies here.
Mar
25
comment Why is the area under a curve the integral?
@MuhammadUmer: Because of fundamental theorem of calculus. See this:en.wikipedia.org/wiki/… (and I suggest you read the whole page).
Mar
21
revised A very challenging probability question
edited tags
Mar
19
awarded  Enlightened
Mar
19
awarded  Nice Answer