Question

If x =(2+√3) ,find the value of x^2+1/x^2​

Answer 1

Step-by-step explanation:

Correct option is

C

14,−83

x=2−3⇒x1=2−31=2+3

(x2+x21)=(x+x1)2−2=(2−3+2+3)2−2=14

(x2−x21)=(x−x1)(x+x1)=(4×−23)=−83

Answer 2

Answer:

14,-83 is the answer. hope it helps you. Thanks.