Mathematics, 15.07.2019 12:30 levy72

Use the formula to evaluate the series 3 - 9 + 27 - 81 + . . - a8in the formula for a finite series a1 is the first term r is the common ratio and n is the number of terms. a. -19,680b. -9840c. -4920

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Use the formula to evaluate the series 3 - 9 + 27 - 81 + . . - a8in the formula for a finite series...

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