How do you write the series 7+10+13+16+19 using summation notation?

1 Answer
Alan P.
Jun 1, 2017

sum_(i=1)^(i=5) (4+3i)

Explanation:

There are 5 terms thus i=1 to 5
with a common difference of 3 thus each term must contain a subterm 3i
and the initial term is 4 more that 3i with i=1

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