Please help to solve this question from the workbook question number 7
Q: prove that if a number is tripled , then it's cube is 27th time the qube of the given number

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Solution

Consider a no x
Its cube =x³
Cube of 3x=(3x)³=27x³

27x³/x³=27.
Therefore , when a number of tripled its cube is 27 times the cube of given number

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