SOLUTION: write arithmetic series 17+21+25+......+417 in summation notation

Question 699388: write arithmetic series 17+21+25+......+417 in summation notation
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
The nth term of an arithmetic sequence is
.
In the sequence, 17, 21, 25, ..., 417
and d = 4, therefore
or

To determine the number of terms, we solve
4n + 13 = 417
n = 101
So 17+21+25+......+ 417 in summation notation is

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