कौन सी संख्या वास्तविक नहीं है?
Which number is not a real number?
Explanation opens after your attempt
Correct Answer
C. \(\sqrt{-4}\)
Concept
The square root of a negative number is not real. Remember the scope of real numbers.
Why this answer is correct
The correct answer is C. \(\sqrt{-4}\). The square root of a negative number is not real. Remember the scope of real numbers.
Exam Tip
ऋणात्मक संख्या का वर्गमूल वास्तविक नहीं होता। वास्तविक संख्याओं की सीमा याद रखें।
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