Question

if x = 2+ √3 find the value of x² + 1/x²​

Answer 1

Answer:

122/11

Solution:

(2+/3)^2 + 1/(2+/3)^2

4+7 + 1/4+7

11 + 1/11

121/11 + 1/11

122/11

Answer 2

Step-by-step explanation:

x^2 = 4+ 3 + 4√3

= 7 + 4√3

【49 +48 + 56√3】/ 7+4√3

【 97 + 56√3 】/ 7+ 4√3