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If r^(th) term in the expansion of (x^(2...

If `r^(th)` term in the expansion of `(x^(2)+1/x)^(12)` is independent of `x`, then `r` is equal to

A

9

B

8

C

10

D

7

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AAKASH INSTITUTE-BINOMIAL THEOREM-Assignment (section-A)
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  11. In the expansion of (3+x/2)^(n) the coefficients of x^(7) and x^(8) ar...

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  12. sqrt(5){(sqrt(5)+1)^(50)-(sqrt(5)-1)^(50)}

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  13. In expansion of (x+a)^(5), T(2):T(3)=1:3, then x:a is equal to

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  18. The term independent of x in the expanion of (root(6)(x)-(2)/(root(3)(...

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