लंबाई \(x+2\) और चौड़ाई \(x+5\) वाले आयत का क्षेत्रफल दृश्य रूप में क्या है?
What is the area of a rectangle with length \(x+2\) and breadth \(x+5\) in visual form?
Explanation opens after your attempt
D. \(x^2+7x+10\)
Concept
The rectangle area is \((x+2)(x+5)\). Its parts give \(x^2+5x+2x+10=x^2+7x+10\).
Why this answer is correct
The correct answer is D. \(x^2+7x+10\). The rectangle area is \((x+2)(x+5)\). Its parts give \(x^2+5x+2x+10=x^2+7x+10\).
Exam Tip
आयत का क्षेत्रफल \((x+2)(x+5)\) है। भागों से \(x^2+5x+2x+10=x^2+7x+10\) मिलता है।
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