\"\"

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The given geometric series \"\".

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The sum of a geometric series is \"\".

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Where \"\" is first term and r is common ratio.

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Method 1

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\"\"              (Substitute \"\")

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\"\"              (Subtract denominator: \"\")

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\"\"                 (Evaluate power: \"\")

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\"\"                    (Subtract numerator: \"\")

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\"\"                            (Divide: \"\")\"\"

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Method 2

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Find the terms by replacing n with 1, 2, 3, 4, 5, and 6.

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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 sum of the geometric series is \"\".