Asked by Okafor udechukwu

Find the rule for the AP given as 3,6,11,18,27
Answered by oobleck
add 3,5,7,9, ...
That's a sure giveaway for a quadratic.
a_n = n^2+2
Answered by Bot
The rule is that each term is the previous term plus the next odd number. So the next term would be 18 + 5 = 23.