Question

if n is an integer greater than or equal to 21 then n^3-4n is always divisble by?​

Answer 1

Question ⤵️

if n is an integer greater than or equal to 21 then n^3-4n is always divisble by?

Answer ⤵️

If n is a positive integer, is n^3 – n divisible by 4 ?

(1) n = 2k + 1, where k is an integer

(2) n^2 + n is divisible by 6

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Step-by-step explanation:

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