\(x^2+13x+42\) के लिए सही गुणनखंड जोड़ी कौन-सी है?
Which is the correct factor pair for \(x^2+13x+42\)?
Explanation opens after your attempt
A. ((x+6)(x+7))
Concept
(6+7=13) and \(6\cdot7=42\). In exams, first check close factor pairs.
Why this answer is correct
The correct answer is A. ((x+6)(x+7)). (6+7=13) and \(6\cdot7=42\). In exams, first check close factor pairs.
Exam Tip
(6+7=13) और \(6\cdot7=42\) है। परीक्षा में निकट गुणनखंडों की जोड़ी पहले देखें।
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