Question

Prove that 15 is irrational.​

Answer 1

Answer:15= a^2/b^2. c =15/b. 15 divided both a and b which is a contradiction. ie, √15 is irrational.

Explanation:

Answer 2

15 is a non- square number and it is rational e. g. we can write it as also 15/1 .

So, it is rational.