QUESTION 2
Easy
Prove that √5 is an irrational number.
SOLUTION
Assume √5 is a rational number. So, it can be written in the form of \(\frac{p}{q}, q≠0\).
\(√5 = \frac{p}{q}\)
Squaring both sides, we get
⇒ \(5 = \frac{
\(√5 = \frac{p}{q}\)
Squaring both sides, we get
⇒ \(5 = \frac{