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What is the sum of the first seven terms of the geometric series 3 − 6 + 12 − . . . ?
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What is the sum of the first seven terms of the geometric series 3 − 6 + 12 − . . . ?

User Micromoses
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1 Answer

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3-6+12=9
Steps
you have to add first so you must add -6+12 which will be -6
Then you will take 3 - - 6 which will make it 9
User ISparkes
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