9. Prove that if a number is doubled then its cube
is 8 times the cube of the given number.
Answers
Answered by
2
Answer:
lets take example 2.Step-by-step explanation:2 doubled is 4. the cube of 2 is 8. 4 cube is 64 now 2x2x2x2x2x2x2x2x=64 hence proved
Answered by
1
Answer:
hey,
let a number = a
it's cube will be a×a×a=a³
now atq 2a
it's cube will be 2a×2a×2a= 8a³or (2a)³
hope it is helpful
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