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Use the Formula for the Sum of the First n Terms of a Geometric Sequence
-Find the sum of the first five terms of the geometric sequence:
Q68: <span class="ql-formula" data-value="\left[ \begin{array} { r r
Q129: <span class="ql-formula" data-value="\begin{array} { r } x
Q145: If <span class="ql-formula" data-value="f (
Q215: <span class="ql-formula" data-value="\sum _ { i =
Q251: <span class="ql-formula" data-value="\begin{array} { l } \frac
Q283: <span class="ql-formula" data-value="f ( x ) =
Q285: <span class="ql-formula" data-value="0 . \overline { 858
Q346: The accompanying figure shows the graph
Q388: <span class="ql-formula" data-value="f ( x ) =
Q397: In the formula A <span