द्विघात समीकरण \(ax^2+bx+c=0\) का विवेचक क्या होता है?
What is the discriminant of \(ax^2+bx+c=0\)?
Explanation opens after your attempt
Correct Answer
C. \(b^2-4ac\)
Concept
The discriminant is \(D=b^2-4ac\). Remembering it helps in understanding the nature of roots.
Why this answer is correct
The correct answer is C. \(b^2-4ac\). The discriminant is \(D=b^2-4ac\). Remembering it helps in understanding the nature of roots.
Exam Tip
विवेचक \(D=b^2-4ac\) होता है। इसे याद रखने से मूलों की प्रकृति समझना आसान होता है।
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