Question

x=2+3 root 2 find x2+4/x2

Answer 1

Answer:

sol:

Step-by-step explanation:

now, x2 + 4 / x2

= [2 + (3 root2)] × 2 + 4 / [2 + (3 root2)] × 2

= 4

Ans. x2 + 4 / x2 =4