Question

if (a-b) =8 and ab = 14, then find a^2-b^2​

Answer 1

Step-by-step explanation:

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

512=(8)(a^2+b^2-28)

512/8=(a^2+b^2)-28

92=a^2+b^2