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Find the smallest number by which each of the following numbers must be divided to obtain a perfect cube.(i) 81                     (ii) 128                    (iii) 135              (iv) 192(v) 704

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To find the smallest number by which each of the given numbers must be divided to obtain a perfect cube, we will follow these steps for each number: ### (i) For 81: 1. **Prime Factorization**: - 81 can be factored as follows: - 81 ÷ 3 = 27 - 27 ÷ 3 = 9 - 9 ÷ 3 = 3 ...
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