Binomial Theorem

JEE Advanced · Mathematics · 9 past questions

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1. Q5 2018 Paper 2

   Let $X=({}^{10}C_1)^2+2({}^{10}C_2)^2+3({}^{10}C_3)^2+\cdots+10({}^{10}C_{10})^2$, where ${}^{10}C_r$…

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2. Q9 2010 Paper 2

   For $r = 0, 1, \ldots, 10$, let $A_r$, $B_r$ and $C_r$ denote, respectively, the coefficient of $x^r$ in the…

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