भुजा (x-8) वाले वर्ग का क्षेत्रफल मॉडल बनाते समय छोटा (8) बाय (8) वर्ग क्यों जोड़ा जाता है?
Why is the small (8) by (8) square added while making the area model of a square with side (x-8)?
Explanation opens after your attempt
A. क्योंकि वह दो बार हटे ओवरलैप को ठीक करता हैit corrects the overlap removed twice
Concept
When two strips are removed, the corner is removed twice, so (64) is added back. In exams remember the added last term in a subtraction square.
Why this answer is correct
The correct answer is A. क्योंकि वह दो बार हटे ओवरलैप को ठीक करता है / it corrects the overlap removed twice. When two strips are removed, the corner is removed twice, so (64) is added back. In exams remember the added last term in a subtraction square.
Exam Tip
दो पट्टियां हटाने पर कोना दो बार हट जाता है इसलिए (64) वापस जोड़ते हैं। परीक्षा में घटाव वर्ग में जोड़ वाला अंतिम पद याद रखें।
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