Reputation
3,776
Next privilege 5,000 Rep.
Approve tag wiki edits
Badges
12 25
Impact
~51k people reached

2d
reviewed Leave Open Rotation addition with quaternions
2d
reviewed Leave Open How did they calculate the possible endings?
2d
reviewed Close Quotient of direct sum of abelian groups
2d
reviewed Close Give a combinatorial proof for a multiset identity
2d
reviewed Close Derived Algebra is nilpotent implies the lie algebra is solvable
2d
reviewed Close Mechanics - Motion round a vertical circle
Feb
2
reviewed No Action Needed Integral transform involving square root
Feb
2
reviewed Close Find the closed form for the double sum $ \sum_{1\leq j \leq k \leq n }3^k=\sum_{j=1}^n \sum_{j=k}^n 3^k$
Feb
2
reviewed Leave Open Finding the limit of $\frac{1}{x}\left(\frac{1}{\arctan x}-\frac{1}{x}\right)$ when $x\to 0$
Feb
2
reviewed Close Give a cubic polynomial, defined on the open interval (-5,4), which reaches both its min and max values
Feb
2
reviewed Leave Open Maximum likelihood estimator of $\lambda$ and verifying if the estimator is unbiased
Feb
2
reviewed Close At least $P(m, n - 1) = {{m!}\over{(m - n+1)!}}$ surjective functions from $[m]$ to $[n]$?
Feb
2
reviewed Leave Open Prior that incentives dissimilarity of 2 parameters
Feb
2
reviewed Leave Open Reciprocal of the primes proof -Euler product formula
Feb
2
reviewed Close Expectation and Variance
Feb
2
reviewed Close If x is in the derived algebra, show that Tr(ad a)=0
Feb
2
reviewed Leave Open CDF of Sum of a Guassian and Exponential random varaible
Feb
2
reviewed Close Why is the solution to $\sqrt{6-5x}=x$ only $x=1$ and not $x=-6$?
Feb
2
reviewed Close Problematic square root
Feb
2
reviewed Looks OK If x is in the derived algebra, show that Tr(ad a)=0