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Mathematical Induction and Binomial Theorem question

2018 · Shift 2 · Q32
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Mathematical Induction and Binomial Theorem question

2018 · Shift 2 · Q32

JEE AdvancedMathematicsMathematical Induction and Binomial TheoremNumerical+3 / −1
Let X=(10C1)2+2(10C2)2+3(10C3)2+...+10(10C10)2X = {({}^{10}{C_1})^2} + 2{({}^{10}{C_2})^2} + 3{({}^{10}{C_3})^2} + ... + 10{({}^{10}{C_{10}})^2}X=(10C1​)2+2(10C2​)2+3(10C3​)2+...+10(10C10​)2, where 10Cr{}^{10}{C_r}10Cr​, r ∈\in∈{1, 2, ..., 10} denote binomial coefficients. Then, the value of 11430X{1 \over {1430}}X14301​X is ..........
Numerical answer
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