show that 192 is not a perfect cube.
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Answer:
Step-by-step explanation:
Grouping the prime factors of 192 into triples, 3 is left over. ∴ 192 is not a perfect cube. i.e. 64 is a perfect cube. Thus, the required smallest number is 3.
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125 and 216 are perfect cubes but not 192.
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