JEE Mains 25-Jan-2023 Shift 1 Solved Paper

Section: Mathematics

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Question : 80 of 90

Marks: +1, -0

If ar is the coefficient of x10−r in the Binomial expansion of (1+x)10, then

10

∑

r=1

r3(‌

ar

ar−1

)2 is equal to

[25-Jan-2023 Shift 1]

4895
1210
5445
3025

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