Question

if u answer this u get 30 points

Answer 1

just rationalise the L.H.S and compare the value from R.H.S

Answer 2

1.
$\frac{ \sqrt{3 } - 1}{ \sqrt{3} + 1 } = a + b \sqrt{3} \\ rationaize \\ we \: get \\ \frac{4 - 2 \sqrt{3} }{2} = 2 - \sqrt{3}$
Now compare it we get a=2 b=-1
proceed in 2 as 1