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# Classify the Following Numbers as Rational Or Irrational - CBSE Class 9 - Mathematics

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ConceptOperations on Real Numbers

#### Question

Classify the following numbers as rational or irrational :-

 2-sqrt5

#### Solution

2-sqrt5

2 is a rational number and sqrt5 is an irrational number.

therefore 2-sqrt5 " is an irrational number."

∴ The difference of a rational number and an irrational number is irrational.

Is there an error in this question or solution?

#### APPEARS IN

NCERT Solution for Mathematics Class 9 (2018 to Current)
Chapter 1: Number Systems
Ex. 1.50 | Q: 1.1 | Page no. 24

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Solution Classify the Following Numbers as Rational Or Irrational Concept: Operations on Real Numbers.
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