Question

x-1/x = -√3 then x³-1/x³ = ?

a. 0
b. 6√3
c. -6√3,
d. -3√3​

Answer 1

Answer:

c. -6√3

Step-by-step explanation:

x-1/x= -√3

(x-1/x)³= (-√3)³

x³-1/x³-3.x.1/x(x-1/x)= -3√3

x³-1/x³-3(-√3)= -3√3

x³-1/x³+3√3= -3√3

x³-1/x³= -3√3 -3√3

x³-1/x³= -6√3