यदि \(x^2+px+18=0\) के मूलों का अनुपात (1:2) है और दोनों ऋणात्मक हैं तो (p) क्या होगा?
If roots of \(x^2+px+18=0\) are in the ratio (1:2) and both are negative, what is (p)?
Explanation opens after your attempt
Correct Answer
A. (9)
Concept
The roots are (-3) and (-6) because the product is (18). Their sum is (-9), so (p=9).
Why this answer is correct
The correct answer is A. (9). The roots are (-3) and (-6) because the product is (18). Their sum is (-9), so (p=9).
Exam Tip
मूल (-3) और (-6) होंगे क्योंकि गुणनफल (18) है। उनका योग (-9) है इसलिए (p=9) है।
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