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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