Question

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

Answer 1

Step-by-step explanation:

Let a number =a

Its cube will be a×a×a =a^3

Now at q 2 a

It's cube will be 2a×2a×2a =8a^3or (2a)3

I hope that this is right answer.

Thanks for asking.

Answer 2

Answer:

i hope this may help you