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1d
reviewed Reject suggested edit on Sum of four squares not a prime
1d
reviewed Looks OK Find $\tan x $ if $\sin x+\cos x=\frac12$
1d
reviewed Approve suggested edit on Help for proving rank of matrix
1d
reviewed Reopen Solve for x: sin2 x − cos2 x = sin x, −π ≤ x ≤π
2d
reviewed Approve suggested edit on Evaluate $\lim_{x\to 2}\frac{x^3 - 8}{x-2}$.
2d
reviewed Approve suggested edit on $ max \{x : 0 \leq x < 1\} = ? $
2d
revised Guaranteed Checkmate with Rooks in High-Dimensional Chess
deleted 1 character in body
Jul
23
reviewed Leave Closed Error in proof that $1 = -1$
Jul
23
reviewed Leave Closed Solving a master equation with linear coefficients
Jul
23
reviewed No Action Needed Proof of $(\mathbb{Z}/m\mathbb{Z}) \otimes_\mathbb{Z} (\mathbb{Z} / n \mathbb{Z}) \cong \mathbb{Z}/ \gcd(m,n)\mathbb{Z}$
Jul
23
reviewed Leave Closed Applications of Geometry to Computer Graphics
Jul
23
reviewed Leave Closed Prove that the number of solutions to $x^a = 1 \pmod p$ in $\mathbb Z_p^\times$ is $\gcd(a,p-1)$
Jul
22
reviewed Looks OK Give a examples of $p$-Sylow subgroups of $G=A_5\times S_3$ for $p=2,3,5$ and tell what group is isomorphic to each subgroup?
Jul
22
reviewed Reopen Find the function whose Taylor series is $\log(x)+\log(x+1)+\log(x+2)+\ldots$
Jul
22
reviewed Approve suggested edit on Reverse a formula with codependent expressions
Jul
22
reviewed Reject suggested edit on resilience of graphs question
Jul
22
reviewed Looks OK Factoring in Maple
Jul
22
reviewed Leave Closed what is the probability of getting two heads twice in 5 tosses of two coins?
Jul
22
reviewed Looks OK Is the following graph chordal?
Jul
22
reviewed Leave Closed In how many ways can you make change for a dollar?