Answer:
Step-by-step explanation:
Feb 8, 2017 - an=12n(n+1). Explanation: These are recognisable as triangular numbers, but let's use a general method for finding matching polynomial ...
1 answer
Answer: 4. -12
4. 9
6.17
Step-by-step explanation:
I really don't even know this this app literally
only gives you like 2 answers at a time.