\( \sqrt{5}\times\sqrt{20} \) किस प्रकार की संख्या है?
What type of number is \( \sqrt{5}\times\sqrt{20} \)?
Explanation opens after your attempt
A. परिमेय वास्तविक संख्याRational real number
Concept
\( \sqrt{5}\times\sqrt{20}=\sqrt{100}=10 \). Therefore the result is a rational real number.
Why this answer is correct
The correct answer is A. परिमेय वास्तविक संख्या / Rational real number. \( \sqrt{5}\times\sqrt{20}=\sqrt{100}=10 \). Therefore the result is a rational real number.
Exam Tip
\( \sqrt{5}\times\sqrt{20}=\sqrt{100}=10 \) है। इसलिए परिणाम परिमेय वास्तविक संख्या है।
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