$\"\"$

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The sequence is $\"\"$ .

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(a) Find the first five terms.

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The first term is $\"\"$ .

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The second term is $\"\"$ .

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The third term is $\"\"$ .

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The fourth term is $\"\"$ .

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The fifth term is $\"\"$ .

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The first five terms are $\"\"$ .

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$\"\"$

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(b)

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Show that $\"\"$ by interpret $\"\"$ as a Riemann sum of a definite integral.

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Consider the function $\"\"$ on interval $\"\"$ .

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The area of the region is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ .

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$\"\"$

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(a) The first five terms are $\"\"$ .

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(b) $\"\"$ .