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Which sequence is a sequence of cube numbers?कौन सा क्रम घन संख्याओं का है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (1, 8, 27, 64)(1, 8, 27, 64)
In option C, the terms are \(1^3=1\), \(2^3=8\), \(3^3=27\), and \(4^3=64\). Therefore, it is a sequence of cube numbers. Option A is a sequence of square numbers, since its terms are \(1^2, 2^2, 3^2, 4^2\). Exam tip: find a cube by multiplying a number by itself three times; for example, \(3^3=3\times3\times3=27\).विकल्प C में पद क्रमशः \(1^3=1\), \(2^3=8\), \(3^3=27\) और \(4^3=64\) हैं, इसलिए यह घन संख्याओं का क्रम है। विकल्प A वर्ग संख्याओं का क्रम है, क्योंकि उसके पद \(1^2, 2^2, 3^2, 4^2\) हैं। परीक्षा टिप: किसी संख्या का घन पाने के लिए उसे तीन बार गुणा करें, जैसे \(3^3=3\times3\times3=27\)।
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