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Which conclusion is most useful first to place (\sqrt{7}) correctly between (2) and (3) on the number line?संख्या रेखा पर (2) और (3) के बीच (\sqrt{7}) को सही ढंग से रखने के लिए सबसे पहले कौन-सा निष्कर्ष उपयोगी है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Because (2^2<7<3^2)क्योंकि (2^2<7<3^2)
Since (2^2=4) and (3^2=9), (\sqrt{7}) lies between (2) and (3). In exams, compare squares first.(2^2=4) और (3^2=9), इसलिए (\sqrt{7}) संख्या रेखा पर (2) और (3) के बीच होगा। परीक्षा में पहले वर्गों की तुलना करें।
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