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The function is $\"\"$

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Apply the summation formulas . \ \

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$\"\"$ \ \

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$\"\"$

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$\"\"$ ------------------------(1) \ \

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Substitute n = 5 in (1)

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$\"\"$

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Substitute n = 10 in (1)

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$\"\"$

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Substitute n = 50 in (1)

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$\"\"$

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Substitute n = 100 in (1)

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$\"\"$

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$\"\"$

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The function is $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Apply the summation formulas . \ \

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$\"\"$

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$\"\"$ ----------(2) \ \

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Substitute n = 5 in (2)

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$\"\"$

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$\"\"$

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Substitute n = 10 in (2)

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$\"\"$

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Substitute n = 50 in (2)

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$\"\"$

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Substitute n = 100 in (2)

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$\"\"$

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$\"\"$

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\ \

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

\ n \	\ 5 \	\ 10 \	\ 50 \	\ 100 \
\ s(n) \	\ 3.6 \	\ 3.8 \	\ 3.96 \	\ 3.98 \
\ S(n) \	\ 4.4 \	\ 4.2 \	\ 4.04 \	4.02

\