Question

if
$a = 2 + \sqrt{3}$
then find the value of
${a}^{2} + \frac{1}{ {a}^{2} }$
​

Answer 1

If $x = 2 - \sqrt{3}$then find the value of $x {}^{2} + \frac{1}{x^{2} }$ Get the answers you need, now!