lab bhattacharjee
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164,439
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# 164,439 Reputation

55 today
 +35 6 mins ago 3 events Evaluate $\lim_{N \to \infty}$ $\sum_{k=1}^N$ $k^3 \over N^4$ (Riemann sum) +10 8 hours ago upvote Given a parabola $y= x^2 - 2x + 2.$ The tangent $r$, which is not horizontal, goes through the point $(2,1).$ What is the slope of $r$? +10 9 hours ago upvote Question on integral values of a quadratic
103 yesterday
 +45 / -2 11:08 5 events How to find last two digits of $2^{2016}$ +25 06:10 2 events Write $\tan (\arcsin b)$ in terms of $b$. +20 18:17 2 events Is something wrong with this solution for $\sin 2x = \sin x$? +15 00:56 accept How to calculate this integral with square roots: $\int\frac{ \sqrt{x+1} }{ \sqrt{ x-1 }} \, dx$
110 2 days ago
 +65 13:39 6 events In how many ways 1387 can written in the sum of $n,(n>2)$ Consecutive natural numbers +45 10:51 4 events Partial summation formula for $\sum_{k=1}^{\infty}\frac{1}{(k+1)\sqrt{k}+k\sqrt{k+1}}$.
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