Section731Section 73 Geometric Sequence 1Determine if a sequence is geometric2Find a formula for the nth term of a tigeomei3Find the sum of a geometric sequence4Find the sum of a geometric series5Solve annuity problemsIf the ratio of successive terms of a sequence is always the same number the sequence is called a geometric sequence1Geometric Sequences2 8 32 128 512 82484321282The common ratio is ExampleDetermine if the sequence 5 10 20 40 80is geometricFind the fir Source:

Sum of a geometric series

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