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What is the value of \(\sqrt{81}\)?\(\sqrt{81}\) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 99
Since \(81=9^2\), the principal square root is \(\sqrt{81}=9\): it is the positive number whose square is 81. For example, \(8^2=64\) and \(18^2=324\), so neither is the answer.क्योंकि \(81=9^2\), इसलिए इसका धनात्मक वर्गमूल \(\sqrt{81}=9\) है। धनात्मक वर्गमूल वह संख्या होती है जिसका वर्ग 81 हो। उदाहरण के लिए, \(8^2=64\) और \(18^2=324\), इसलिए इनमें से कोई भी उत्तर नहीं है।
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