Question 9 ii Classify -225 as rational or irrational-

Name: NCERT - Grade 09 - Mathematics - Number Systems - Q16_2
Uploaded: 2022-07-04T10:36:42+05:30
Description: √(225) = 15 = 15/1 The number can be represented in nbsp;p/q form. Therefore, it is a rational number. nbsp; ...

√(225) = 15 = 15/1 The number can be represented in nbsp;p/q form. Therefore, it is a rational number. nbsp; ...

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Standard X

Mathematics

Number Theory: Interesting Results

Question 9 ii...

Question

Question 9 (ii)
Classify $\sqrt{225}$ as rational or irrational.

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Solution

$\sqrt{225} = 15 = \frac{15}{1}$
The number can be represented in $\frac{p}{q}$ form.
Therefore, it is a rational number.

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Question 9 (ii) Classify √225 as rational or irrational.

√225=15=151 The number can be represented in pq form. Therefore, it is a rational number.

Question 9 (ii)
Classify $\sqrt{225}$ as rational or irrational.

$\sqrt{225} = 15 = \frac{15}{1}$
The number can be represented in $\frac{p}{q}$ form.
Therefore, it is a rational number.