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