Binomial Theorem Part 2

Section: Mathematics
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Question : 53 of 100
 
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]
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