Math, asked by kavya8105, 16 days ago

plz Ans guys ..!!

please dont spam..!!

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Answers

Answered by DarshaniChandra

1

Answer:

a

Step-by-step explanation:

a is the answer of the question

Answered by Dibboraj

3

Answer:

The answer is (b)

Step-by-step explanation:

7a^2-7

=7(a^2-1)

=7(a^2-1^2)

=7(a-1)(a+1)

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