Question

Please solve this brainlest question

Answer 1

x = 2-3√3
so,x^3+1/x√3 = (2-√3)^3+1/(2-√3)^3
= (8 - 3√3 - 12√3 + 18) + 1/(8-3√3-12√3+18)
= (26-15√3) + 1/(26-15√3)
= {(26-15√3)^2 + 1}/26-15√3
= (677+675-780√3)/(26-15√3)