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Which of these expressions represents the product of an irrational number and a rational number being irrational? O e ол 7
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Which of these expressions represents the product of an irrational number and a rational number being irrational? O e ол 7

Which of these expressions represents the product of an irrational number and a rational-example-1
User Oussama Jabri
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1 Answer

2 votes

The question says


\text{irrational number}* rational\text{ number = irrational number}

Therefore the best option is


\begin{gathered} \text{irrational number = }\sqrt[]{3} \\ \text{ratioanl number=}\sqrt[]{49} \\ Therefore, \\ \sqrt[]{3}*\sqrt[]{49}=\sqrt[]{3}*7=7\sqrt[]{3} \\ 7\sqrt[]{3}\text{ is irrational} \end{gathered}

The answer is C.

User Bersan
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