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Identify the Following as Rational Or Irrational Number. Give the Decimal Representation of Rational Number: `Sqrt1.44` - Mathematics

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Question

Identify the following as rational or irrational number. Give the decimal representation of rational number:

`sqrt1.44`

Solution

Given number is `sqrt1.44`

Now we have to check whether it is rational or irrational

`rArrsqrt1.44=sqrt(144/100)`

`rArrsqrt1.44=sqrt144/sqrt100`

`rArrsqrt1.44=12/10`

`rArrsqrt1.44=6/5`

`rArrsqrt1.44=1.2`

So it is a rational

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Chapter 1: Number Systems - Exercise 1.4 [Page 31]

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RD Sharma Mathematics [English] Class 9
Chapter 1 Number Systems
Exercise 1.4 | Q 4.3 | Page 31

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