Question

evaluate x^3 -1/x^3 if (1) x-1/x=c​

Answer 1

Answer:

Step-by-step explanation:

(x-1/x)^3

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

=(x-1/x)(x^2+1/x^2+x*1/x)

=(x-1/x)(x^2+1/x^2)

=(x-1/x)(x+1/x)^2