How do u know when a radical number is a rational or irrational number

Barfuin asked Aug 13, 2023

258,378 views

10 votes

Barfuin asked Aug 13, 2023

2.5k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

29 votes

If the radicand can be expressed in the form

$\sqrt[p]{x^p}$

for a rational number p, it is rational.

Otherwise, it is irrational.

2.5k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers