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Jul
20
reviewed Leave Open Imagination in Mathematics
Jul
20
reviewed Leave Open Certain Fraction between Fractions
Jul
20
reviewed Leave Open Show that if $a_n > 0$ for all $n\in\mathbb{N}$ and $\sum_{n=1}^{\infty}a_n$ converges then $\sum_{n=1}^{\infty}\sin{(a_n)}$ converges.
Jul
20
reviewed Leave Open Primes and certain unit fractions
Jul
20
reviewed Leave Open How to generalize $f = \frac{u}{v}$, $u,v$ scalars, for vectors?
Jul
20
reviewed Leave Open Sum of roots of unity, proving that $1+w+w^2…+w^{n-1}=0$
Jul
20
revised Why are the exponents in the Schwarz-Christoffel mapping of the form (1- alpha/pi)?
rolled back to a previous revision
Jul
20
reviewed Leave Open How to make the following conclusion?
Jul
20
reviewed Leave Open Prove using $ \varepsilon-\delta $ that $ \lim_{(x,y)\to(1,1)} \frac {x^2+2xy-3y^2}{x^2-y^2} = 2 $
Jul
20
reviewed Leave Open Is there a simple proof of Frobenius's theorem using Sylow theory?
Jul
20
reviewed Leave Open Find intervals where f is continuous, $f(x)=\sqrt{x^{2}+x+1}$
Jul
20
reviewed Leave Open Given $|a|$ and $|b|$, what is the smallest value of $|a + b|$?
Jul
20
reviewed Leave Open How many ways are there to place 5 checkers on a 5x5 board
Jul
20
reviewed Leave Open A product version of Riemann integral
Jul
19
answered If $ \sum_{n=1}^{\infty}x_na_n $ converges when $x_n\to 0,$ then $ \sum_{n=1}^{\infty}a_n $ also converges.
Jul
19
reviewed Leave Open Why the length of the zigzag curve approximating the circle does not approach the length of the circle?
Jul
19
reviewed Leave Open Sequence of random variables that follow WLLN but not SLLN
Jul
19
reviewed Leave Open How can I solve $\lim_{(x,y) \rightarrow (0,0)} \frac{xy\sin(x+y)}{x^2+y^2+|xy|}$?
Jul
19
reviewed Leave Open Critical Point Question
Jul
19
reviewed Leave Open Polynomials: Linking equations via their roots