Question

If x-1/x=2, then the value of x cube - 1/x cube​

Answer 1

Step-by-step explanation:

x - 1/x = 2

Doing Cube both sides

x³ - 1/x³ - 3(x - 1/x) = 8

x³ - 1/x³ - 3(2) = 8

x³ - 1/x³ = 8+6 = 14