Ex 1.4, 1 (i) - Chapter 1 Class 9 Number Systems

Last updated at August 14, 2026 by

Ex 1.4, 1 (i) - Classify as rational or irrational: 2 - √5 [Video] - Ex 1.4

 

 

Remove Ads
Teachoo · Class 9 Explore Class 9

Transcript

Ex1.5, 1 Classify the following numbers as rational or irrational: (i) 2 - 5 2 is rational 5 = 2.236 . which is non- terminating non-repeating is an irrational number We know that Rational Irrational = Irrational 2 - 5 is an irrational number

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.