Question

if a= 1-√3 then find (a-1/a)³​

Answer 1

27/8

Step-by-step explanation:

answer answer follows in the picture

Answer 2

Step-by-step explanation:

(a-1/a)³=a³-1/a³-3(a-1/a)

=(1-√3)³-1/(1-√3)³-3(1-√3)

=10-6√3-1/(10-6√3)-3+3√3

=7-3√3-(3√3-5)/4

=(28-12√3-3√3+5)/4

=(33-15√3)/4