Question

1/√8− √12
is equal to :

1)-1/√4
2)-1/2
3)-1(√2-√3)/2
4)2-√3/4

Answer 1

Answer:

$\frac{1}{ \sqrt{8} } - \sqrt{12} \\ \frac{1 - \sqrt{96} }{ \sqrt{8} } \\ \frac{1 - 4 \sqrt{6} }{ \sqrt{8} }$

I think none of these is the correct answer