Question

if x= 3+2√3 then find value of x square +1/x square​

Answer 1

Answer:

x = 3+2√3

so, 1/x = 1/3+2√3 = 3-2√3

Now,

[{3+2√3}+{3-2√3}]

$((3 + 2\sqrt{3} ) + (3 - 2 \sqrt{3} )) ^{2}$

$= (3 + 3)^{2}$

$= {9}^{2}$

$= 81$

hence your ans is 81