Question

Which of the following is divisible by 2 for all natural numbers n? (Select all that apply.)


n(n + 1)

n2 − 2n

n(n + 2)

n(3 + n)

n2 + 3

Answer 1

n(n+1), n(3+n)

Answer 2

thank you so much! :)

Answer 3

welcome..

Answer 4

n2-2n,,