Prove that root 5 is irrational: √ 5 is an irrational number and

√ 5 is an irrational number and this can be proved by the method of contradicion. In this method, we first assume √ 5 to be rational, then we will show that it leads to contradiction which hence proves √ 5 to be irrational . Ex 1.2, 1 Prove that √ 5 ... Learn how to prove that root 5 is irrational using contradiction method, long division method, and examples. Find out the definition, properties, and examples of rational and irrational numbers.