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

Question

asked Feb 1, 2021 105k views

1 Answer

Thanh Duy Ngo · Answer 1 · 2021-02-06T06:17:57+0000

Answer:

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