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 9h revised Finding the minimum value of $|a+b\omega+c\omega^2|$ if $a,b,c$ are unequal integers where $\omega^3=1$ edited title 2d reviewed Approve How prove that : $\sin x+\sin y+\sin z \le \frac{3}{2}$ for triangle $ABC$ 2d revised calculator for p-adic valuation and absolute value edited tags Apr24 answered Why do the 1's in Gauss Jordan RREF need to be along main diagonal and not other diagonal? Apr21 reviewed Reopen Multiplicity of point as a zero of polynomial. Apr13 answered This proof from the textbook that the number of columns of a matrix equals its rank plus its nullity does not make any sense… Apr12 revised Groups such that every finitely generated subgroup is isomorphic to the integers trivial "nontrivial" edit Apr6 reviewed Edit Does the integral of $\sin(x^2)$ between 0 and infinity converge Apr6 revised Does the integral of $\sin(x^2)$ between 0 and infinity converge Fixed latex Apr1 answered Find $z$ s.t. $\frac{1+z}{z-1}$ is real Mar29 revised How can $y$ and $y'$ be independent in variational calculus? deleted 3 characters in body; edited title Mar28 revised Average Frequency of 1's in an Infinite Binary Sequences Can be Anything Between 0 and 1 added 19 characters in body Mar28 answered Average Frequency of 1's in an Infinite Binary Sequences Can be Anything Between 0 and 1 Mar27 reviewed Close What is the difference between 'thus', 'hence' and 'therefore'? Mar27 reviewed Looks OK The limit of sums of the form $\frac{1}{\sqrt{2n}}- \frac{1}{\sqrt{2n+1}}+\frac{1}{\sqrt{2n+2}}-\dotsb-\frac{1}{\sqrt{4n}}$ Mar27 reviewed Looks OK Is $\sum_{k=1}^{n} \sin(k^2)$ bounded by a constant $M$? Mar27 reviewed Close Taylor series of mandelbrot bulb boundaries Mar26 revised How to prove that $\sqrt[3] 2 + \sqrt[3] 4$ is irrational? typo Mar24 answered How many 1000-bit vectors differ from any given example by fewer than 450 bits? Mar22 answered Is there a way to know if the solution curve to a differential equation is an even or odd function?