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प्रश्न
Identify the following as rational or irrational number. Give the decimal representation of rational number:
`3sqrt18`
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उत्तर
Given number is `3sqrt18`
`rArr3sqrt18=3sqrt(3xx3xx2)`
`rArr3sqrt18=3xx3sqrt2`
`rArr3sqrt18=9sqrt2`
So it is an irrational number
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