Question

if x-1/x=1/3 evaluate x^3-1/x^3

Answer 1

Answer:

10/27

Step-by-step explanation:

X-1/X=1/3

(X-1/X)³=(1/3)³

X³-(1/X)³-3(X)(1/X)(X-1/X)=1/27

X³-1/X³-1(1/3)=1/27 ........as given X-1/X=1/3

X³-1/X³=1/27+1/3

X³-1/X³=10/27