समीकरण \(x^2-7x+3=0\) के मूल \(\alpha,\beta\) हैं। \(\alpha+\beta+3\alpha\beta\) का मान क्या है?
The roots of \(x^2-7x+3=0\) are \(\alpha,\beta\). What is \(\alpha+\beta+3\alpha\beta\)?
Explanation opens after your attempt
Correct Answer
A. (16)
Concept
The sum of roots is (7) and the product is (3). Therefore \(\alpha+\beta+3\alpha\beta=7+9=16\).
Why this answer is correct
The correct answer is A. (16). The sum of roots is (7) and the product is (3). Therefore \(\alpha+\beta+3\alpha\beta=7+9=16\).
Exam Tip
मूलों का योग (7) और गुणनफल (3) है। इसलिए \(\alpha+\beta+3\alpha\beta=7+9=16\)।
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