भुजा \(x-2\) वाले वर्ग का क्षेत्र मॉडल किस विस्तार को सही दिखाता है?
Which expansion is correctly shown by the area model of a square with side \(x-2\)?
Explanation opens after your attempt
A. \(x^2-4x+4\)
Concept
In \((x-2)^2\), there is \(x^2\), two subtracted \(2x\) parts, and \(4\) added. Exam tip: watch the negative sign.
Why this answer is correct
The correct answer is A. \(x^2-4x+4\). In \((x-2)^2\), there is \(x^2\), two subtracted \(2x\) parts, and \(4\) added. Exam tip: watch the negative sign.
Exam Tip
\((x-2)^2\) में \(x^2\), घटे हुए दो \(2x\) भाग और \(4\) जुड़ता है। परीक्षा में ऋण चिह्न का ध्यान रखें।
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