Question

if a/b + bla=-1, then a - b is:​

Answer 1

Answer:

Given a/b + b/a = 1

           (a^2 + b^2)/ab = 1.

           a^2 + b^2 = ab   --- (1)

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

                           = (a + b)(ab - ab)  (From (1))

                           = 0.

pls mark as brainliest