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Nov
17
reviewed Approve Need a hint to evaluate the indefinite integral $\int\frac{e^x(2-x^2)}{(1-x)\sqrt{1-x^2}}dx$?
Nov
17
reviewed Reject The origin of notation Z(f) and U(f) in algebraic geometry
Nov
17
reviewed Approve Absolute value bound of Lebesgue integral
Nov
17
reviewed Reject Is that proof correct? I'm proving that the set of injective Linear transformations in open.
Nov
17
reviewed Reviewed Connection between almost sure convergence and lim sup and lim inf
Nov
17
reviewed No Action Needed Predicate logic: “Everybody knows somebody who knows Alice”
Nov
17
reviewed No Action Needed If $p,q$ distinct primes with $p,q \equiv 1 \bmod 4$, show that $x^2 \equiv -1 \pmod {pq}$ is solveable
Nov
17
reviewed Close Tetromino Proof
Nov
17
reviewed Close Is $\mathbb{R}/\mathbb{Q}$ an interesting group?
Nov
17
reviewed Close Direct product of two finite cyclic groups
Nov
17
reviewed Close Prove the following combination?
Nov
17
reviewed Reject Why is expectation defined by $\int xf(x)dx$?
Nov
17
reviewed Close Combinatorial proof for two identities
Nov
17
reviewed Leave Open Combinatorics-number of permutations of $m$ A's and at most $n$ B's
Nov
15
reviewed Approve Series representation of $m=1^k + 2^k + \ldots n^k$.
Nov
15
reviewed Approve Aleph arithmetic question
Nov
15
reviewed No Action Needed A closed form for $\int_0^\infty\ln x\cdot\ln\left(1+\frac1{2\cosh x}\right)dx$
Nov
15
reviewed Approve Differential Equation with Integral
Nov
15
reviewed Reject Is it trivial to say $\mathop {\lim }\limits_{n \to \infty } {(1 + {k \over n})^n} = e^{k}$
Nov
15
reviewed Reopen Test for convergence