Question

2) If x = 2+sq.root 3

Find
${ x}^{2} + \frac{1}{ {x}^{2} }$
​

Answer 1

Answer:

50/7

Step-by-step explanation:

={2+√3}×{2+√3}+1/(2+√3)×(2+√3)

=4+3+1/4+3

=7+1/7

=50/7