Identify the following as rational number or irrational numbera. 3√1

1.	Identify the following as rational number or irrational numbera. 3√18√9/27
Answer» a.3\xa0√18We have,3\xa0× √18= 3 × √2 × 3 × 3= 9×√2Since, the product of a ratios and an irrational is an irrational number. 9\xa0×√2 is an irrational.3 ×√18 is an irrational number.(b)\xa0√(9/27)\xa0We have,√(9/27)=3/√27=\xa01/√3Quotient of a rational and an irrational number is irrational numbers so1/√3\xa0is an irrational number.√(9/27)\xa0is an irrational number.

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