किस स्थिति में द्विघात समीकरण के वास्तविक मूल होते हैं?
In which condition does a quadratic equation have real roots?
Explanation opens after your attempt
Correct Answer
B. \(D\ge 0\)
Concept
For real roots \(D\ge 0\) is required. If (D<0) there are no real roots.
Why this answer is correct
The correct answer is B. \(D\ge 0\). For real roots \(D\ge 0\) is required. If (D<0) there are no real roots.
Exam Tip
वास्तविक मूलों के लिए \(D\ge 0\) होना चाहिए। यदि (D<0) हो तो वास्तविक मूल नहीं मिलते।
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