show that if a number is doubled then its cube become eight times the cube of the given number
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Answered by
10
Heya dear
let a number = a
it's cube will be a×a×a = a³
now at q 2a
it's cube will be 2a ×2a ×2a
=> 8a³ or (2a)³
let a number = a
it's cube will be a×a×a = a³
now at q 2a
it's cube will be 2a ×2a ×2a
=> 8a³ or (2a)³
Answered by
7
the answer is here:
let one no.=x
its cube=x×x×x=x race to 3
now at y 2x
its cube=2x×2x×2x
8x race to power 3 or 2xrace to 3
let one no.=x
its cube=x×x×x=x race to 3
now at y 2x
its cube=2x×2x×2x
8x race to power 3 or 2xrace to 3
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