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Sedaia [141]
3 years ago
7

How will the volume of a cube change if its edge becomes twice as long; 3 times as long; 10 times as long; n times as long?

Mathematics
1 answer:
Mumz [18]3 years ago
8 0

Let, initial side is a.

When side is n times long, new side na.

Initial volume, V_i=a^3

Final volume, V_f=(na)^3=n^3a^3

Change in volume, V_f-V_i=\Delta V =a^3(n^3-1)

For, n = 2 :

\Delta V = 7a^3

n = 3 :

\Delta V = 26a^3

n = 10 :

\Delta V = 999a^3

Hence, this is the required solution.

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