Question
i NEED TO KNOW WHAT A GEOMETRIC SERIES IS AND WHAT BASIC FUNCTIONS IS RELATED TO THIS
Answer
A geometric series is a sum of the form a + a*r + a*r*r + a*r*r + ...
Each term is r times the previous term.
If you terminate the sum after a finite number of terms, say after n terms, so the last term is a*r^(n-1), then the sum is a*(1-r^n)/(1-r). If the series does not terminate, then the sum is a/(1-r) as long as |r| < 1.
http://mathworld.wolfram.com/GeometricSeries.html
series
geometric series
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