question_answer

If \[\frac{\sqrt{3}-1}{\sqrt{3}+1}=a+b\sqrt{3}\], then the value of 'a' and 'b' is

A)  \[\text{a }=\text{2},\text{ b}=-\text{ 1}\]  

B)  \[\text{a }=\text{2},\text{ b}=-\text{ 1}\]

C)  \[\text{a }=\text{ }-\text{ 2},\text{ b }=\text{ 1}\]

D) \[~\text{a }=\text{ }-\text{ 2},\text{ b }=\text{ }-\text{ 1}\]