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Don't have much time these days...


Dec
5
reviewed Approve A question concerning derivatives
May
6
reviewed Approve Solve the following limit?
Apr
19
reviewed Approve Hints for evaluating this integral $ \small\int \frac {x^2 dx} {(x\sin x+\cos x)^2} $
Apr
19
reviewed Approve infinite sum limit how to find the following
Apr
11
reviewed Approve Complex Sine bounded when $|\text{Im } z| < 1$
Apr
11
reviewed Approve Show that f is not surjective.
Apr
10
reviewed Approve Tangent with $2$ circles
Apr
5
reviewed Reject Evaluate $\int_{0}^{1000} \frac{e^{-10x}\sin x}{x} \text{d}x$ to within $\pm 10^{-5}.$
Apr
5
reviewed Edit Evaluate $\int_{0}^{1000} \frac{e^{-10x}\sin x}{x} \text{d}x$ to within $\pm 10^{-5}.$
Apr
5
reviewed Edit Why does the series $\sum\limits_{n=2}^\infty\frac{\cos(n\pi/3)}{n}$ converge?
Mar
30
reviewed Approve A improper integral with Glaisher-Kinkelin constant
Mar
29
reviewed Approve Proofs Invertible & Diagonal matrix
May
17
reviewed Approve sum of an infinite series
May
5
reviewed Approve percentage calculation
May
4
reviewed Reject How to figure out the log of a number without a calculator?
Apr
20
reviewed Approve How to find $(a,n)$ such that : $5^a+1 \equiv 0 \pmod {3\cdot 2^n-1}$ and $3\cdot 2^{n-1}-1 \equiv 0 \pmod a$?
Apr
15
reviewed Approve Counting the number of Eden sequences in $\{1,2,\ldots,N\}$
Apr
13
reviewed Reject Formula for $\sum_{k=1}^{n}{k^p}$ where p is a positive integer
Apr
13
reviewed Approve Homogeneous Poisson processes
Apr
13
reviewed Reject arithmetic progression involving logarithm