1.

A^2+2ab+b^2-3(a^2-b^2)​

Answer»

ong>Answer:

As GIVEN in the Question- (a+b)

2

=a

2

+2ab+b

2

Using The Identity To simplify (2p+3Q)

2

=(2p)

2

+2(2p×3q)+(3q)

2

= 4P

2

+2(6pq)+9q

2

= 4p

2

+12pq+9q

2


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