Question

If x =
$3 + \sqrt{8}$
Find
${x}^{2} + \frac{1}{ {x}^{2} }$
​

Answer 1

Here is the answer...!!!

Refer to the attachment

Answer 2

Answer:

X ka square krnaa h a+b ka square vala FORMULA

(3+√8) SQUARE

TO AYEGA 17+6√8

x^2+1/x^2+2x*1/x=17+6√8-2

answer is 15+6√8