यदि (7x-2-(p+6)x+28=0) के मूल (2) और (2) हैं, तो (p) क्या होगा?
If the roots of (7x-2-(p+6)x+28=0) are (2) and (2), what is (p)?
Explanation opens after your attempt
A. (p=22)
Concept
The sum of roots is (4), and \(\frac{p+6}{7}=4\), so (p=22). In exams, use \(-\frac{b}{a}\) for the sum.
Why this answer is correct
The correct answer is A. (p=22). The sum of roots is (4), and \(\frac{p+6}{7}=4\), so (p=22). In exams, use \(-\frac{b}{a}\) for the sum.
Exam Tip
मूलों का योग (4) है और \(\frac{p+6}{7}=4\), इसलिए (p=22) है। परीक्षा में \(-\frac{b}{a}\) से योग निकालें।
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