Question

15. Prove that
root5 i is an irrational number.​

Answer 1

Answer:"√5 is an “irrational number”.

Solution: Let us consider that √5 is a “rational number”. We were told that the rational numbers will be in the “form” of form Where “p, q” are integers.

Answer 2

Answer:

First you have to take √5 as a rational no .

Then you have to prove that √5 is not a rational no.

So our contradiction was wrong.

Thus √5 is a irrational no.

Step-by-step explanation:

Let √5 =p/q