Question

find the root of the following equation : x + 1/x = 3 ,x not = 0

Answer 1

x +1/x = 3

Taking LCM,

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

${x}^{2} + 1 = 3x$

${x}^{2} - 3x + 1 = 0$

Now apply quadratic formula yourself.