Mathematics

Problem

The Arithmetic mean of two surds is

5 + 4\sqrt{3}

and one of them is

2 + 4\sqrt{3}

then the square root of the second surd is : 1)

\sqrt{5} + \sqrt{2}

\sqrt{6} + \sqrt{3}

\sqrt{6} + \sqrt{2}

\sqrt{5} + \sqrt{3}