what do ypu mean by perfect cube
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A perfect cube is a number which is equal to the number, multiplied by itself, three times. If x is a perfect cube of y, then x = y3. Therefore, if we take out the cube root of a perfect cube, we get a natural number and not a fraction. Hence, 3√x = y. For example, 8 is a perfect cube because 3√8 = 2.
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A perfect cube is a number that is the cube of an integer. Some other examples of perfect cubes are 1, 8, 27, 64, 125, 216, 343, …
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