Question

if x=4+√5,find the value of (x+1/x)​

Answer 1

Answer:

$x + \frac{1}{x}$

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

$\frac{ {(4 + \sqrt{5}) }^{2} + 1 }{4 + \sqrt{5} }$

$21 + 8 \sqrt{5} + 1 \div 4 \sqrt{5}$