Question

if x+y =12and xy =27 then find the value of x^3+y^3.

Answer 1

Hi user here is your answer
= 801
Hope it helps u in solving the question further.

Answer 2

Given (x + y) = 12 and xy = 27 Recall, x3 + y3 = (x + y)3 – 3xy(x + y) ⇒ x3 + y3 = (12)3– 3(27)(12)                = 1728 – 972 ∴ x3 + y3 = 756