Question

find the value of(x-1/x)^3​

Answer 1

Step-by-step explanation:

x = 2-√3

1/x = 1/(2-√3)

rationalize 1/(2-√3)

1/(2-√3) *(2+√3)/(2+√3)

= (2+√3)/(4-3)= 2+√3

so x-1/x = 2-√3-2-√3

= -2√3

(x-1/x)^3= (-2√3)^3= -8*3√3

= -24√3

Answer 2

Answers

Now it's right the answer is -24√3

this ans is 100% right with all the necessary steps