Question

How to prove that
$\sqrt{2} + \sqrt{5}$
is an irrational no. ?​

Answer 1

Answer:

$\huge{\fbox{\fbox{\bigstar{\mathfrak{\red{Answer}}}}}}$

Step-by-step explanation:

Let √2+√5 be a rational number. A rational number can be written in the form of p/q where p,q are integers. p,q are integers then (p²-7q²)/2q is a rational number. ... √2+√5 is an irrational number.