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If (2x^(2)-x-1)^(5)=a(0)+a(1)x+a(2)x^(2)...

If `(2x^(2)-x-1)^(5)=a_(0)+a_(1)x+a_(2)x^(2)+…+a_(10)x^(10)`, then `a_(2)+a_(4)+a_(6)+a_(8)+a_(10)` is equal to : a)15 b)30 c)16 d)32

A

15

B

30

C

16

D

32

Text Solution

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The correct Answer is:
A
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