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If 1 +x^4 +x^5 =sum(i=0)^5 ai (1 + x)^i,...

If `1 +x^4 +x^5 =sum_(i=0)^5 a_i (1 + x)^i`, for all x in R, then `a_2` is :

A

`-4`

B

`6`

C

`-8`

D

10

Text Solution

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The correct Answer is:
A
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