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The middle terms in the expansion of (1+...

The middle terms in the expansion of `(1+x)^(2n+1) ` is (are)

A

`.^(2n+1)c_(n)x^(n) and .^(2n+1)c_(n+1)x^(n+1)`

B

`.^(2n+1)c_(n-1)x^(n+1) and .^(2n+1)c_(n+1)x^(n+1)`

C

`^(2n+1)c_(n)x^(n)` only

D

`.^(2n+1)c_(n+1)x^(n+1)` only

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AAKASH INSTITUTE ENGLISH-BINOMIAL THEOREM-Assignment (section-A)
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  14. If (r+1)^(th) term in the expasnion of (a^(3)/3-2/a^(2))^(10) contains...

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  17. The number of terms in the expansion of (4x^(2) + 9y^(2) + 12xy)^(6) ...

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  18. The middle term in the expansioin of (2x-1/3x)^(10) is

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  19. The coefficient of the term independent of x in the expansion of (a x+...

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