भुजा (5p-q) वाले वर्ग में (pq) वाला संयुक्त मध्य क्षेत्रफल कौन सा होगा?
In a square of side (5p-q), what is the combined middle area containing (pq)?
Explanation opens after your attempt
C. (-10pq)
Concept
The combined middle area is \(2\cdot 5p\cdot -q=-10pq\). Exam tip: write subtraction in the visual model as a negative term.
Why this answer is correct
The correct answer is C. (-10pq). The combined middle area is \(2\cdot 5p\cdot -q=-10pq\). Exam tip: write subtraction in the visual model as a negative term.
Exam Tip
बीच का संयुक्त क्षेत्रफल \(2\cdot 5p\cdot -q=-10pq\) है। परीक्षा में दृश्य मॉडल में घटाव को ऋणात्मक क्षेत्रफल के रूप में लिखें।
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