यदि \(x^2+px+q=0\) के मूल (-2) और (-5) हैं तो (p+q) का मान क्या है?
If roots of \(x^2+px+q=0\) are (-2) and (-5), what is the value of (p+q)?
Explanation opens after your attempt
Correct Answer
A. (17)
Concept
The sum of roots is (-7), so (-p=-7) gives (p=7), and (q=10). Hence (p+q=17).
Why this answer is correct
The correct answer is A. (17). The sum of roots is (-7), so (-p=-7) gives (p=7), and (q=10). Hence (p+q=17).
Exam Tip
मूलों का योग (-7) है इसलिए (-p=-7) से (p=7) और (q=10)। अतः (p+q=17) है।
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