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Rom4ik [11]
1 year ago
9

Prove if n is even then n^3 is even

Mathematics
1 answer:
lord [1]1 year ago
4 0

since n is even

we can express an even number as

2k=n

then

n^3=(2k)^3n^3=8k^32(4k^3)

and since this number is multiple of 2 then we can prove that n^3 is even

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