$\"\"$

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The first term of the sequence is $\"\"$ .

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The sequence is $\"\"$ .

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Find the first $\"\"$ terms of the sequence.

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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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$\"\"$ .

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$\"\"$ .

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$\"\"$ .

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$\"\"$ .

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The eleventh partial sum is $\"\"$ .

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$\"\"$

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The eleventh partial sum is $\"\"$ .