यदि (D=0) और मूलों का योग (12) है तो प्रत्येक मूल क्या होगा?
If (D=0) and the sum of roots is (12), what will each root be?
Explanation opens after your attempt
Correct Answer
A. (6)
Concept
When (D=0), both roots are equal. Therefore each root is \(\frac{12}{2}=6\).
Why this answer is correct
The correct answer is A. (6). When (D=0), both roots are equal. Therefore each root is \(\frac{12}{2}=6\).
Exam Tip
(D=0) होने पर दोनों मूल बराबर होते हैं। इसलिए प्रत्येक मूल \(\frac{12}{2}=6\) होगा।
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