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a.
To prove: If
a.
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Explanation of Solution
Given Information: A graph of
Graph:
Proof:
Now,
Hence proved.
b.
To prove: The sum of the first million terms of harmonic series is less than
b.
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Explanation of Solution
Given Information: Result from part (a).
Proof:
From part (a),
The equality occurs when
Let
Then,
Hence proved.
Chapter 8 Solutions
Single Variable Calculus: Concepts and Contexts, Enhanced Edition
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