गुणनखंड विधि में \(x^2+7x+12=0\) को कैसे लिखा जाएगा?
In factorisation method, how will \(x^2+7x+12=0\) be written?
Explanation opens after your attempt
A. ((x+3)(x+4)=0)
Concept
Because (3+4=7) and \(3\times4=12\), the correct factors are ((x+3)(x+4)). In exams, pay close attention to signs.
Why this answer is correct
The correct answer is A. ((x+3)(x+4)=0). Because (3+4=7) and \(3\times4=12\), the correct factors are ((x+3)(x+4)). In exams, pay close attention to signs.
Exam Tip
क्योंकि (3+4=7) और \(3\times4=12\), इसलिए सही गुणनखंड ((x+3)(x+4)) हैं। परीक्षा में संकेतों पर विशेष ध्यान दें।
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