Question

If x = (2 + √3), ℎ (x²+1/x²)²​

Answer 1

Step-by-step explanation:

{(2+√3)^2+(1/2+√3)^2}^2

(7+4√3+1/7+4√3)^2

(7+4√3+7-4√3)^2 rationalisation of denominator

14^2

=256 Ans