Question

x+1/x=-1 then find x^3-1/x^3​

Answer 1

Answer:

hope it will help

Step-by-step explanation:

x+1/x=-1

Cubing on both sides

(x+1/x)³ =-1³

x³+1/x³+3× x × 1/x(x+1/x) = 1

x³+1/x³+3(-1) = 1

x³+1/x³-3 = 1

x³+1/x³ = 1+3

x³+1/x³ = 4