Question

A-b=3 and ab=4 find a^3-b^B^3

Answer 1

Given a - b = 3 and ab=4.

(a-b)^3 = a^3 - b^3 - 3ab(a-b)

 (3)^3 = a^3 - b^3 - 3 * 4(3)

27 = a^3 - b^3 - 36

a^3 - b^3 = 63.



Hope this helps!