यदि \(x^2+ax+9=0\) के मूल (3) और (3) हैं तो (a) का मान क्या है?
If the roots of \(x^2+ax+9=0\) are (3) and (3), what is the value of (a)?
Explanation opens after your attempt
A. (-6)
Concept
The sum of roots is (6), and (-a=6). Therefore (a=-6).
Why this answer is correct
The correct answer is A. (-6). The sum of roots is (6), and (-a=6). Therefore (a=-6).
Exam Tip
मूलों का योग (6) है और (-a=6) होगा। इसलिए (a=-6) है।
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