Question

Prove that if a number is doubled then its cube is 8 times the cube of the given
numbers.

Answer 1

Step-by-step explanation:

let the number be x

when the number is doubled, it becomes 2x

cube of the doubled number is

(2x)^3

(2^3)*(x^3)

8*x^3 -->8 times the cube of the original number

hence proved!

Answer 2

Answer:

Refer to the attachment