यदि किसी वर्ग का दृश्य विस्तार \(w^2+6w+9\) है, तो बाहरी भुजा कौन सी होगी?
If the visual expansion of a square is \(w^2+6w+9\), what will be the outer side?
Explanation opens after your attempt
B. (w+3)
Concept
This is the expansion of ((w+3)2). Exam tip: see (9) as \(3^2\).
Why this answer is correct
The correct answer is B. (w+3). This is the expansion of ((w+3)2). Exam tip: see (9) as \(3^2\).
Exam Tip
यह ((w+3)2) का विस्तार है। परीक्षा में (9) को \(3^2\) की तरह देखें।
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