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What is the value of (9^2)?(9^2) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 8181
An exponent of 2 means that 9 is multiplied by itself: \(9^2=9\times9=81\). Therefore, 81 is the correct answer. 90 is not the square of 9. Exam tip: Check \(a^2\) by writing it as \(a\times a\).घातांक 2 का अर्थ है कि 9 को स्वयं से दो बार गुणा किया जाता है: \(9^2=9\times9=81\)। इसलिए सही उत्तर 81 है। 90, 9 का वर्ग नहीं है। परीक्षा टिप: \(a^2\) को हमेशा \(a\times a\) के रूप में लिखकर जाँचें।
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