समीकरण \(x^2-9x+4=0\) के मूल \(\alpha,\beta\) हैं। \(\alpha+\beta+5\alpha\beta\) का मान क्या है?
The roots of \(x^2-9x+4=0\) are \(\alpha,\beta\). What is \(\alpha+\beta+5\alpha\beta\)?
Explanation opens after your attempt
Correct Answer
A. (29)
Concept
The sum of roots is (9) and the product is (4). Therefore \(\alpha+\beta+5\alpha\beta=9+20=29\).
Why this answer is correct
The correct answer is A. (29). The sum of roots is (9) and the product is (4). Therefore \(\alpha+\beta+5\alpha\beta=9+20=29\).
Exam Tip
मूलों का योग (9) और गुणनफल (4) है। इसलिए \(\alpha+\beta+5\alpha\beta=9+20=29\)।
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