Math, asked by vrutanshrakesh01, 1 month ago

please slove please
please give right answer

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Answered by manaschauhan26

3

Step-by-step explanation:

1) (2a +7) (2a-7)

(2a)²-7²

4a²-49

2) (b-7)²

b²+7²-2*7*b

b²+49-14b

Answered by nithya12333

4

hope this may help you ....

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