Question

Hey Guys!!!!

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

Please answer fast...​

Answer 1

Step-by-step explanation:

x=(2+√3)

x^2=(2+√3)^2

=7+4√3

Rationalising factor of 7+4√3 is 7-4√3

1/x^2=1/7+4√3×7-4√3/7-4√3

=7-4√3/49-48

=7-4√3

x^2+1/x^2=7+4√3+7-4√3

=14

Answer 2

Answer:

8+4√3/7+4√3

Step-by-step explanation:

(2+√3)^2+1= 8+4√3 because in the form of. (a+b)^2 same

x^2=(2+√3)^2=7+4√3

so ,

answer is 8+4√3/7+4√3