Dsa
Math
Hard
Geometric Series Sum
Given the first term a, common ratio r, and number of terms n in a geometric series, calculate the sum of the series. The input will consist of three space-separated floats (a, r, n). Print the sum rounded to 2 decimal places. If r equals 1, the formula simplifies to S = n * a.
Example input:
3 2 4
Example output:
48.00
Key concepts
mathseriescomputation
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