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Question

Prove that if a number is tripled then its cube is 27th time the cube of the given number.

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Solution

Let us assume that the original number = 'x'

Its cube = (x)³

= x³

If the original number is tripled then the new number = 3*x

= 3x

Cube of the new number = (3x)³

= 3x*3x*3x

= 27x³

Therefore,
Cube of the original number : Cube of the new number which is tripled

⇒ 1 : 27

Hence, the cube of the new number is 27 times the cube of the original number.

Hence proved

Read more on Brainly.in - https://brainly.in/question/336018#readmore

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