( (x+2)(x+7) ) के आयत मॉडल में चार भागों का सही समूह कौन-सा है?
In the rectangle model of ( (x+2)(x+7) ), which set of four parts is correct?
Explanation opens after your attempt
A. \(x^2\), (2x), (7x), (14)
Concept
The four parts come from multiplying the side pieces. In exams, multiply each row and column.
Why this answer is correct
The correct answer is A. \(x^2\), (2x), (7x), (14). The four parts come from multiplying the side pieces. In exams, multiply each row and column.
Exam Tip
चार भाग भुजाओं के गुणन से मिलते हैं। परीक्षा में हर पंक्ति और स्तंभ का गुणन करें।
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