Question

Give the formula for the following:
1).(a+b)^2
2).(a-b)^2
3).(a+b)(a-b)​

Answer 1

Answer:

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Answer 2

Answer:

1.(a+b)^2=a^2+2ab+b^2

2.(a-b) ^2=a^2-2ab+b^2

(a+b)(a-b) =a^2-b^2