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Total Surface Area of a Cuboid

Prove that if...

Question

Prove that if a number is tripled, then it's cube is 27^thtimes the cube of the given number

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Solution

Let number be x
its triple = 3x
cube of original number = x^3
cube of triple = (3x)^3= 27x^3
cube of triple = 27 times of original

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