Question
What are the following symbols used in math sequences: a sub i, n, N?
a<sub>i</sub> 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 a<sub>3</sub> is 5. That term corresponds to n=3
N is the number of terms in the sequence.
a<sub>i</sub> 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 a<sub>3</sub> is 5. That term corresponds to n=3
N is the number of terms in the sequence.