Find the sum of the geometric series 6+2+- + 27+ .... [Hint: To get started, what is the first term and what is the ratio? Express the series in part A as a summation. As an example, the series 1 + 1 2 4 8 + 2 + + . - - could be expressed as the summation E 1=1 Here is a geometric series closely related to the series in part A: 6-2+2 CO/NO + 27 -+.... Find its sum. Express the series in part C as a summation