If n is a natural number, then (6n2 + 6n) is always divisible by:
Choose the correct choice from the following answers: A) Both 6 and 12 B) 6 only C) 12 only D) None of these E) Cannot be determined
Explanation :   6n2 + 6n = 6n(n + 1)   Hence 6n2 + 6n is always divisible by 6 and 12 (∵ remember that n(n + 1) is always even) Both 6 and 12nswer : Option Both 6 and 12
<result>A</result>
If n is a natural number, then (6n2 + 6n) is always divisible by: