Answer:
n(n+1)
Step-by-step explanation:
Only the last two formulas work for n=1; only the last formula works for n=2.
<u>For n=1</u>
3n = 3 ≠ 2
n² -1 = 0 ≠ 2
n² +1 = 2
n(n+1) = 2
<u>For n=2</u>
n²+1 = 5 ≠ 6
n(n+1) = 6 . . . . . this last formula works for the given sequence
4/5
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The answer is C because you would flip the 6 and 5 around I'm pretty sure.
Answer:
6
Step-by-step explanation:
