Question
Complete the rewriting of each series using the new index as indicated. $$\sum_{i=1}^{n} x^{i}=\sum_{j=0}$$
Step 1
The original series starts at i=1 and goes up to n. We want to change this to start at j=0. To do this, we need to subtract 1 from the upper limit of the series, which gives us n-1. Show more…
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