Question

if a=2+root 3 find value of a-1/a​

Answer 1

Answer:

$= > a = 2 + \sqrt{3}$

$= > \frac{a - 1}{a} = \frac{(2 + \sqrt{3} ) - 1}{(2 + \sqrt{3} )}$

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

$\sqrt{3} = 1.732$

$\frac{1 + 1.732}{2 + 1.732}$

=0.732