किस विकल्प में दी गई संख्या वास्तविक है लेकिन परिमेय नहीं है?
Which option gives a number that is real but not rational?
Explanation opens after your attempt
Correct Answer
C. \(\sqrt{45}\)
Concept
\(\sqrt{45}=3\sqrt{5}\), which is real and irrational. In exams do not treat the square root of a negative number as real.
Why this answer is correct
The correct answer is C. \(\sqrt{45}\). \(\sqrt{45}=3\sqrt{5}\), which is real and irrational. In exams do not treat the square root of a negative number as real.
Exam Tip
\(\sqrt{45}=3\sqrt{5}\), जो वास्तविक और अपरिमेय है। परीक्षा में ऋणात्मक वर्गमूल को वास्तविक संख्या न मानें।
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