Identify root 49/147 as rational or irrational.

1.	Identify root 49/147 as rational or irrational.
Answer» {tex}\\huge\\implies \\sqrt{\\frac {49}{147}}\\\\\\huge\\implies \\sqrt\\frac {7\\times7}{21\\times7}\\\\\\huge\\implies \\sqrt\\frac {1}{3}\\\\\\hugewhich\\space is\\space not\\space a\\space rational\\space number.{/tex}

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