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If (1 +x+x^2)^25 = a0 + a1x+ a2x^2 +......

If `(1 +x+x^2)^25 = a_0 + a_1x+ a_2x^2 +..... + a_50.x^50` then `a_0 + a_2 + a_4 + ... + a_50` is :

A

even

B

odd and the form 3n

C

odd and of the form `(3n-1)`

D

odd and of the form `(3n+1)`

Text Solution

Verified by Experts

The correct Answer is:
A
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