समीकरण \(x^2-4x+6=0\) के लिए कौन-सा कथन सही है?
Which statement is correct for \(x^2-4x+6=0\)?
Explanation opens after your attempt
A. वास्तविक मूल नहीं हैंIt has no real roots
Concept
Here (D=(-4)2-4\cdot1\cdot6=-8<0). Therefore it has no real roots.
Why this answer is correct
The correct answer is A. वास्तविक मूल नहीं हैं / It has no real roots. Here (D=(-4)2-4\cdot1\cdot6=-8<0). Therefore it has no real roots.
Exam Tip
यहाँ (D=(-4)2-4\cdot1\cdot6=-8<0) है। इसलिए वास्तविक मूल नहीं होंगे।
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