Question

If x=2+ root 3 then find the value of (x-1/x)^3​

HELP ASAP

Answer 1

10 and ten-elevenths

Explanation:

x = 2 + _/3

(x-1/x)^3

(2+_/3)^3 - (1÷2+_/3)^3

= (8 + 3) - 1 ÷ (8 + 3)

= 11 - 1/11

= 10 10/11