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seen Jun 29 at 5:16

Mar
22
revised Integrating $ \int \limits_{-\infty}^{\infty} \dfrac{\sin^2(x)}{x^2} \operatorname d\!x $
added 25 characters in body; edited title
Mar
21
revised limit $\lim_{n \to \infty} \frac{(2n+1)(2n+2) n^n}{(n+1)^{n+2}}$?
edited title
Mar
20
reviewed Reject suggested edit on If $A \cdot x \leq b$, what values should A and B take so that $2<[x1,x2]<20$
Mar
19
accepted Largest possible 2D combination not containing 2 common rectangles
Mar
18
awarded  Popular Question
Mar
17
comment Largest possible 2D combination not containing 2 common rectangles
@GerryMyerson : I don't know how better to describe it, in case of 1D, consider a sequence, it is longest common sequence that can be found in more than 1 place in the sequence .
Mar
17
accepted For which $\alpha$ does the series $\sum_{n = 1}^{\infty}\big(2^{n^{-\alpha}}\!\! - \!1\big)$ converge?
Mar
17
asked For which $\alpha$ does the series $\sum_{n = 1}^{\infty}\big(2^{n^{-\alpha}}\!\! - \!1\big)$ converge?
Mar
17
asked Largest possible 2D combination not containing 2 common rectangles
Mar
16
reviewed Reject suggested edit on Difficult integral, and I don't know how to even start
Mar
15
revised Why?$\int_0^1\int_{u(t)}^{u(t)+w(t)} f(t,v(t)) dv dt = \int_0^1 f(t,u(t)+\theta w(t))w(t) dt; ~~\theta\in[0,1] $
edited title
Mar
15
reviewed Reject suggested edit on How are the Taylor Series derived?
Mar
14
revised Prove $1-1/2-1/3+1/4+1/5-1/6-1/7+\cdots$ converges.
added 3 characters in body; edited title
Mar
13
reviewed Reject suggested edit on Does an equation containing infinity not equal 0 or infinity exist?
Mar
13
revised Radius of Curvature
added 3 characters in body
Mar
10
revised Evaluating $\int_{0}^{\infty}\dfrac{1-e^{-t}}{t}\sin{t}\operatorname d\!t$
added 32 characters in body; edited title
Mar
9
reviewed Reject suggested edit on Two non isomorphic algebraic varieties
Mar
9
reviewed Approve suggested edit on Mean Value related problem.
Mar
9
reviewed Approve suggested edit on $x^2-1$ with prime factors < 100
Mar
9
reviewed Approve suggested edit on How to find out the real part of this.