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Maths TNSB Mentoring
Class 9
Real Numbers
Real Numbers and its Visual Representation I
2.
Two marks example problems VII
Question:
2
m.
Find whether \(x\) and \(y\) are rational or irrational in the following.
(i)
\(a = \sqrt{75}\), \(b = \sqrt{3}\); \(x = ab\), \(y = \frac{a}{b}\)
Both \(x\) and \(y\) are irrational numbers
Both \(x\) and \(y\) are rational numbers
\(x\) is a irrational number and \(y\) is a rational number
\(x\) is a rational number and \(y\) is a irrational number
(ii)
\(a = \sqrt{18}\), \(b = \sqrt{3}\); \(x = ab\), \(y = \frac{a}{b}\)
Both \(x\) and \(y\) are irrational numbers
\(x\) is a irrational number and \(y\) is a rational number
Both \(x\) and \(y\) are rational numbers
\(x\) is a rational number and \(y\) is a irrational number
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