√3 • √5
Solve like how below problem was solved.
√2 • √6
= √2•2•3
= √2•2 • √3
= 2 • √3
= 2√3 as the final answer.
√3 • √5 ....there's nothing to "simplify" up front....we just have....
√3 • √5 = √15 [ using √a • √b = √ab ] for a,b ≥ 0