Question

if an = n^2 -1 then an+1 is equal to,
A) n^2 + 2n
B) n^2 - 2n
C) n^2+7n
D) n^2 + 9n

pls answer step by step

NOTE
irrelevant answers will be reported​

Answer 1

Answer:

l

Step-by-step explanation:

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