Question

prove that if a number is repeated then its cube is 27 times the cube of the given number​

Answer 1

Step-by-step explanation:

Now, triple of the number = 3x. Putting the value of 'x3' in equation 2, we get: Cube of triple of number = cube of '3x' = 27× cube of the number 'x'. Thus it is proved that the cube of a triple of a number is 27 times the cube of the original number.