Question

if x=2-√3 find the value of (x-1/x)^3​

Answer 1

Answer:

Put the value of x =2-root3 in (x-1/x)^3

=> (1-root3/2-root3)^3

=>(1-root3)^3/(2-root3)^3

=>10-6root3/26-15root3

Rationalise it and you will get our answer

Thank you!