show that 189 is not a perfect cube?
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Answer:
Cube root of 189 can be represented as 3√189. The value of cube root of one is 189. The nearest previous perfect cube is 125 and the nearest next perfect cube is 216 . Cube root of 189 can be represented as 3√189.
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Step-by-step explanation:
Making triplets, one triplet is formed 3 3 3 leaving one more factor 7. 189 cannot be expressed as a product of triplets, hence 189 is not a perfect cube.
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