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If n is odd then n³ is also odd
So odd + odd = even
e.g. let n = 3 then 3³ = 3 x 3 x 3 = 27
So 27 + 3 = 30 which is even
e.g. let n = 1 then 1³ = 1 x 1 x 1 = 1
So 1 + 1 = 2 which is even…read more

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