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Show that x is irrational, if x2 = 0.009. - Mathematics

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Question

Show that x is irrational, if x2 = 0.009.

One Line Answer
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Solution

x2 = 0.009

x = `sqrt(9/1000)`

x = `3/(10sqrt10)`

It is a irrational.

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Chapter 1: Rational and Irrational Numbers - Exercise 1 (D) [Page 23]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 1 Rational and Irrational Numbers
Exercise 1 (D) | Q 11. (ii) | Page 23
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