Question

27. Show that one and only one of n, n + 2, n + 4 is divisible by 3.​

Answer 1

Answer:

not understand your question properly

Answer 2

n+4 = 3q+2+4 = 3q+6 = 3(q+2) is divisible by 3.

thus one and only one out of n , n+2, n+4 is divisible by 3.