Question

if, X = √3 + √2 then, X³ + 1/X³ = ?​

Answer 1

Answer will be 18.....

plz mark as a brain list plz ..

Answer 2

Step-by-step explanation:

{ X + 1/X } ^3

= X^3 + 1/X^3 + +3 { X+ 1/X }

X^3 + 1/X^3 + 3 × 3 = 27

X^3 + 1/x^3 + 9 = 27

X^3 + 1/X^3 = 18