McQ cube of a natural number is a _____ (a)integer (b) rational number (c) natural number (d) none of these
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Answer:
(c)
Step-by-step explanation:
A natural number (n) is said to be a perfect cube if (n = m³) i.e. it is the cube of some natural number or this means its cube root is a natural number (3√n=m) . For example: Thus 1, 8, 27, 64, 125, etc. are perfect cubes.
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