Question

Find the cube of: a) a/b - b/a​

Answer 1

Answer:

(a/b-b/a)^3

(a^2-b^2/ab)^3

(a^2-b^2)^3/a^3b^3

a^6-b^6-3a^4b^4(a^2-b^2)/a^3b^3

a^6-b^6-3a^6b^4+3a^4b^6/a^3b^3