Reputation
Next tag badge:
999/1000 score
403/200 answers
Badges
10 96 176
Newest
 Nice Answer
Impact
~1.2m people reached

Apr
16
comment Solve $ \left(\sqrt[3]{4-\sqrt{15}}\right)^x+\left(\sqrt[3]{4+\sqrt{15}}\right)^x=8 $
Distant relative : math.stackexchange.com/questions/384090/…
Apr
16
answered Limit of a set of fractions
Apr
16
comment Let a be a positive number. Then $\lim_{n \to \infty}[\frac{1}{a+n}+\frac{1}{2a+n}+\cdots +\frac{1}{na+n}]$
Related: math.stackexchange.com/questions/469885/…
Apr
15
comment Evaluating: $I_1 = \sin^{-1} \left(\sqrt{\frac{x}{x+a}}\;\right) $
See math.stackexchange.com/questions/1229909/…
Apr
15
comment Calculate isocele triangle dimensions from angles
@Neovea, Which height, presumably from the base, right? Then can you use my hint?
Apr
15
comment Calculate isocele triangle dimensions from angles
Draw a perpendicular to the base which will be bisected by the perpendicular
Apr
15
comment Number of solutions of the congruence $x^p \equiv x\pmod p$
See math453fall2008.wikidot.com/lecture-23
Apr
15
comment to find the value of angle A in the given equation
@TheViper, $$2\cos A+1=0\iff\cos A=-\dfrac12=\cos ?$$
Apr
15
answered to find the value of angle A in the given equation
Apr
15
comment How to sum $\sum_{k=1}^n (k+1)(k)(k-1)$
@Jean-ClaudeArbaut, Sorry for some reason, that eluded me. Please find the updated version.
Apr
15
revised How to sum $\sum_{k=1}^n (k+1)(k)(k-1)$
added 317 characters in body
Apr
15
answered How to sum $\sum_{k=1}^n (k+1)(k)(k-1)$
Apr
15
answered Edited-How can I solve polynomial recurrences like $f(n+1)=\frac{2f(n)}{f(n)+1}$
Apr
15
answered Find the MacLaurin Series for $f(x)=\ln(√81-x^2)$
Apr
15
comment Sine Sum : Inverse Circular Function Proof
@SanchayanDutta, Related : math.stackexchange.com/questions/672575/…
Apr
14
answered If the equation $|x^2+4x+3|-mx+2m=0$ has exactly three solutions then find value of m.
Apr
14
answered using Fermat's little Theorem to find the least residue of $5^{38}\ mod\ 13$
Apr
13
answered simplifiying an expression $(n + 1)! − 1 + (n + 1) \cdot (n + 1)!$
Apr
13
answered Find triangle angle knowing side length change and angle change
Apr
13
answered how to solve $\sin\theta+\sqrt{3}\cos\theta=-\sqrt{3}\;$ for $\;\theta\;$ when $\;0^\circ\leq\theta<360^\circ$