Question

Show that if a number is doubled, then its cube becomes 8 times the cube of the given
number.
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Answer 1

Answer:

Heya. dear

let a number = a

it's cube will be a×a×a = a³

now atq 2a

it's cube will be

2a ×2a ×2a => 8a³ or (2a)³

HOPE THIS HELPS YOU!!!

Answer 2

Step-by-step explanation:

let the number be=x

cube of the number =x^3

if we double the number it will become= 2x

cube of new number=(2x)^3=8x^3

on division we will find that the cube found at doubling the number. is 8 times of the cube of the number