Question

prove that root 3+root 5 is irrational

Answer 1

we know that, √3 and √5 are irrational numbers
so we know that sum of two irrational numbers is also irrational
√3+√5 is also irrational
hope this helps

Answer 2

3+
$3 + \sqrt{5} is \: irrational \: prove \\ \\ (a + b) {}^{2} a { }^{2} + b { }^{2} + 2ab$