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Learn how to find the sum of sequence terms. Explore partial sums before diving into the total sum. Discover explicit and recursive methods along with Sigma Notation.
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Sect 7.1B: Partial Sums and Summation Notation We will be finding the sum of the terms of a sequence…we’ll start by finding the sum of only part of the sequence (partial sum) and later find the sum of the whole sequence.
EXPLICIT: • Find the first four terms of the sequence of partial sums.
RECURSIVE: • Find the first four terms of the sequence of partial sums.
SIGMA NOTATION Find the “sum” of a sequence: