Question

If A+K=4 and AK=3 then find the vale of A³+K³​

Answer 1

Below

Explanation:

k = 4-a

a (4-a) = 3

-a^2 +4a -3 = 0 ====> Quadratic Formula ===> a = 1 and k = 3

1^3 + 3^3 = 28