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The middle term in the expansion (x^(2)-...

The middle term in the expansion `(x^(2)-1/(2x))^(20)` is r than `(r+3)^(th)` term is `………`

A

`20 C_(14)(x/(2^(14)))`

B

`20C_(12)x^(2)2^(-12)`

C

`-20C_(7)x.2^(-13)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The constant term in the expansion of (2x^(2)-1/x)^(12) is ……..

    A
    7290
    B
    495
    C
    `-7920`
    D
    `-495`

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