Question

formula of (a + b) (a + b)​

Answer 1

Answer:

(a+b) (a+b)

= (a+b) ²

= a²+b² +2ab

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Answer 2

Answer:

there is some wrong in question it should have to be (a+b) (a-b)

then wegot: a*2-b*2

it will help to you

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