# math

What are the following symbols used in math sequences: a sub i, n, N?

ai is the ith element of the sequence
n is the value of i in the term you are refering to. For instance, 3,4,5,6 a3 is 5. That term corresponds to n=3
N is the number of terms in the sequence.

1. 👍 0
2. 👎 0
3. 👁 95

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