\( \sqrt{5}\times\sqrt{45} \) किस प्रकार की संख्या है?
What type of number is \( \sqrt{5}\times\sqrt{45} \)?
Explanation opens after your attempt
B. परिमेय वास्तविक संख्याRational real number
Concept
\( \sqrt{5}\times\sqrt{45}=\sqrt{225}=15 \). Therefore the result is a rational real number.
Why this answer is correct
The correct answer is B. परिमेय वास्तविक संख्या / Rational real number. \( \sqrt{5}\times\sqrt{45}=\sqrt{225}=15 \). Therefore the result is a rational real number.
Exam Tip
\( \sqrt{5}\times\sqrt{45}=\sqrt{225}=15 \) है। इसलिए परिणाम परिमेय वास्तविक संख्या है।
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