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(7a^(2) - 63b^(2)) =?...

`(7a^(2) - 63b^(2)) =`?

A

`(7a-9b) (9a +7b)`

B

`(7a - 9b) (7a + 9b)`

C

`9 (a- 3b) (a+ 3b)`

D

`7 (a - 3b) (a + 3b)`

Text Solution

Verified by Experts

The correct Answer is:
D
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