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If the coefficient of pth, (p+1)thand (...

If the coefficient of `pth, (p+1)th`and ` (p+2)th` terms in the expansion of `(1+x)^n` are in `A.P`

A

`n^(2) - 2np + 4p^(2) = 0 `

B

`n^(2) - n (4p+1)+ 4p^(2) - 2 = 0 `

C

`n^(2) - n (4p +1) + 4p^(2) = 0 `

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
B
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