आयत मॉडल में (x(x+9)) का क्षेत्र कौन सा है?
What is the area of (x(x+9)) in the rectangle model?
Explanation opens after your attempt
C. \(x^2+9x\)
Concept
Splitting the rectangle into (x) and (9) parts gives \(x^2\) and (9x). Exam tip: understand the distributive law through area.
Why this answer is correct
The correct answer is C. \(x^2+9x\). Splitting the rectangle into (x) and (9) parts gives \(x^2\) and (9x). Exam tip: understand the distributive law through area.
Exam Tip
आयत को (x) और (9) भागों में बांटने पर \(x^2\) और (9x) मिलते हैं। परीक्षा में वितरण नियम को क्षेत्र से समझें।
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