Calculus 7E
The series is .
Graph the function on interval and graph the series .
Observe the graph:
The dark blue portion below the pink curve is .
The rectangles represent .
Therefore, .
Consider .
The series is in the form of -series.
-series: , if , then the series converges.
Here .
Therefore, is converges.
Since is converges, also converges.
Graph:
The series is converges.
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