Question

if x=7+4√3 then find x+
$ifx = 7 + 4 \sqrt{3 \: } then \: find \: x + \frac{1}{x}$
1/x

Answer 1

Given that
x=7+4√3
So 1/x=1/7+4√3
Rationalize
1/x=7-4√3/49-48
1/x=7-4√3
Now x+1/x=
7+4√3+7-4√3
=14
Hope it will help u