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"If" n in "and if "(1+ 4x +4 x^2)^n=Sigm...

`"If" n in "and if "(1+ 4x +4 x^2)^n=Sigma_(r=0)^(2n) a_rx^r, "where" a_0,a_1,a_2,.....a_(2n) "are real number" ` ,
The value of `a_(2n-1)` is

A

`2^(2n)`

B

`n. 2^(2n)`

C

`(n-1)2^(2n)`

D

`(n+1)2^(2n)`

Text Solution

Verified by Experts

The correct Answer is:
B
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