Math, asked by ammu682018, 2 months ago

1) a²-b²=(a+_)(_ -b)
2) (2a+b)²=(_)²+2(_)b+b²
3) (2a-3b)²=(_)²-2(_)3b+9b²

Answers

Answered by diyasangwan1520

2

Answer:

1) (a+b)(a-b)

2) (2a)^2 +2(2a)b + b^2

3) (2a)^2-2(2a)3b + 9b^2

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