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(1-a)(1+a+a^(2))+(1+a)(1-a+a^(2)) is equ...

`(1-a)(1+a+a^(2))+(1+a)(1-a+a^(2))` is equal to

A

`2a^(3)`

B

2

C

`-2a^(3)`

D

0

Text Solution

Verified by Experts

The correct Answer is:
B
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