Aryabhata
Reputation
397/400 score
 Jul3 answered When does $(a,b) \to (2a, b-a)$ terminate? ($a \leq b$) Jun26 answered How do I apply the $\pm4$ part of the equation $5F_n^2\pm~4=L_n^2$ without knowing $n$? Jun26 answered Evaluating a sum with Mobius function Jun26 answered Doubt on locus of a median point Jun26 answered Inequality for harmonic means Jun17 answered Proving that a sequence is monotone and bounded Dec14 answered Find a number leaving a particular remainder with 3 different numbers Nov29 answered Find $a_{n+1}=\frac{a_n^2+1}{2}$ in terms of $n$. Nov29 answered Show that $n-kl$ is a perfect square Nov29 answered Nspire CAS spitting out a wrong answer? Nov29 answered What is the value of $a_{2009}$ Nov29 answered Finding the radius of convergence of the given power series. Nov29 answered How to show $(mn)!$ divides $(m!)^n$? Nov29 answered Proof that the limit of a sequence is equal to the limit of its partial sums divided by n Nov29 answered Number of solutions in a given interval Sep14 answered how to prove $a^{p-1} + \frac{p-1}{2\cdot 1}a^{p-2} + \frac{(p-1)(p-2)}{3\cdot 2\cdot 1}a^{p-3} + … + a \in \mathbb{Z}$? Aug7 answered Limit of certain recurrence relation Jul27 answered When is the number of lattice paths from $(1, 1) \to (x, y)$ divisible by $3$? Jul12 answered Lights Out Variant: Flipping the whole row and column. May19 answered Prove that $(1+1/x)^x$ is concave for $x>0$