3 years ago

I don’t understand someone explain

Mathematics

1 answer:

Lunna [17]3 years ago

3 0

Answer:

B is the correct answer

a*b/a+b = a^3-3a^2b+3ab^2-b^3/(a-b)(a-b)

= (a-b)^3/(a-b)^2

= (a-b)

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