Question

if x=1/2+√3 then x+1/x is equal to:

A)2√3
B)4
C)-2√3
D)4-2√3​

Answer 1

Answer: 4

Step-by-step explanation:

$x = \frac{1}{2 + \sqrt{3} }$

$\frac{1}{x} =2 + \sqrt{3}$

Now as in xdenominator is irrational

Than first rationalise it

Than x=2-√3

add x and 1/x

answer comes 4