Question

if x-1/x = 3 fint the value of x^3-1/x^3

Answer 1

Answer:

36

Step-by-step explanation:

Given ,

x-1/x=3

A.T.Q

(x-1/x)^3=(3)^3

x^3-1/x^3-3(x-1/x)=27

x^3-1/x^3-3(3)=27

x^3-1/x^3-9=27

x^3-1/x^3=27+9=36