यदि ((2x+3)2) को फैलाएं तो कौन सा क्षेत्रफल सही है?
If ((2x+3)2) is expanded, which area is correct?
Explanation opens after your attempt
A. \(4x^2+12x+9\)
Concept
The larger square area is \(4x^2\), the middle part is (12x), and the small square is (9). Exam tip: add all three parts.
Why this answer is correct
The correct answer is A. \(4x^2+12x+9\). The larger square area is \(4x^2\), the middle part is (12x), and the small square is (9). Exam tip: add all three parts.
Exam Tip
बड़े वर्ग का क्षेत्रफल \(4x^2\), मध्य भाग (12x), और छोटा वर्ग (9) है। परीक्षा में तीनों भाग जोड़ें।
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