समीकरण \(x^2+1=0\) के वास्तविक मूलों के बारे में सही कथन कौन सा है?
Which statement is correct about the real roots of \(x^2+1=0\)?
Explanation opens after your attempt
Correct Answer
C. कोई वास्तविक मूल नहीं हैIt has no real roots
Concept
\(x^2\) is never negative so \(x^2+1=0\) is not satisfied by any real number. Sign checking helps solve such questions quickly.
Why this answer is correct
The correct answer is C. कोई वास्तविक मूल नहीं है / It has no real roots. \(x^2\) is never negative so \(x^2+1=0\) is not satisfied by any real number. Sign checking helps solve such questions quickly.
Exam Tip
\(x^2\) कभी ऋणात्मक नहीं होता इसलिए \(x^2+1=0\) वास्तविक संख्या से संतुष्ट नहीं होता। संकेत से ऐसे प्रश्न जल्दी हल होते हैं।
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