व्यंजको (a^2 + a^3), (2a^2 + ab+ b+ 2a) ...

व्यंजको `(a^2 + a^3), (2a^2 + ab+ b+ 2a)` तथा `(a^2 -1)` का म. स. होगा-

A

`(a^2 -1)`

B

`(a^2 +1)`

C

`(a+ 1)`

D

`(a - 1)`

Verified by Experts

The correct Answer is:

C

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