Question

(a+b)2- (a-b)2÷ a2b-ab2​

Answer 1

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

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

Now, (a+b)^2-(a-b)^2= a^2+2ab+b^2 - (a^2-2ab+b^2)

=a^2+2ab+b^2-a^2+2ab-b^2

= 4ab

Now, (a+b)^2-(a-b)^2/a^2b-ab^2

=4ab/ab(a-b)

=4/(a-b). This is the answer.

Answer 2

Answer:

4/(a-b) is the answer

Step-by-step explanation:

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