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seen Jul 23 at 19:16

Aug
20
reviewed Close Proving $\sum_{k = 0}^n k\binom nk^2 = n \binom{2n-1}{n-1}$ with combinatorial proof
Aug
18
reviewed Approve suggested edit on Prove or disprove this argument
Aug
18
reviewed No Action Needed Completeness in same space but two metrics
Aug
18
reviewed Close How to decide the convergence or divergence of these series?
Aug
17
reviewed Looks OK Algorithm of creating dual graph from a plannar graph
Aug
17
reviewed Looks OK Find all continuous functions f :
Aug
17
reviewed Looks OK Are the solutions to $1+1/2^s+1/3^s=0$ known?
Aug
17
reviewed No Action Needed Compute $\int x^2 \cos \frac{x}{2} \mathrm{d}x$
Aug
17
reviewed Leave Open Interesting Problems for NonMath Majors
Aug
17
reviewed Close If $\sin(a)\sin(b)\sin(c)+\cos(a)\cos(b)=1$ then find the value of $\sin(c)$
Aug
17
reviewed Close Trianlgle homework
Aug
17
reviewed Close Please help me the question was very hard.
Aug
16
reviewed Close no of intersection points.!
Aug
15
reviewed No Action Needed Show that by induction method that $2^{2^n}+1$ has $7$ in unit's place for all $n\geq 2$.
Aug
15
reviewed Leave Closed Every integer greater than 1 is divisible by a prime
Aug
14
reviewed Close Norm of Hilbert's operator $H f(x)= \int_0^{\infty} \frac{f(y)}{x+y}\, dy$
Aug
14
reviewed No Action Needed could any one tell me how to calculate the following limit?
Aug
14
reviewed No Action Needed How to “properly” integrate a derivative, and undoing the product rule
Aug
13
reviewed No Action Needed What is a fiber bundle? (for non-mathematicians)
Aug
13
reviewed Looks OK Evaluating $\sum_{n=0}^{\infty}{\arctan(n+2)-\arctan(n)}$