यदि किसी द्विघात समीकरण के मूलों का गुणनफल ऋणात्मक है तो सही कथन कौन सा है?
If the product of roots of a quadratic equation is negative, which statement is correct?
Explanation opens after your attempt
Correct Answer
A. एक मूल धनात्मक और दूसरा ऋणात्मक हैOne root is positive and the other is negative
Concept
A negative product occurs only when the roots have opposite signs. Therefore one root will be positive and the other negative.
Why this answer is correct
The correct answer is A. एक मूल धनात्मक और दूसरा ऋणात्मक है / One root is positive and the other is negative. A negative product occurs only when the roots have opposite signs. Therefore one root will be positive and the other negative.
Exam Tip
ऋणात्मक गुणनफल तभी होता है जब मूलों के चिन्ह विपरीत हों। इसलिए एक मूल धनात्मक और दूसरा ऋणात्मक होगा।
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