Find the indicated sum.
-Find the sum of the first 13 terms of the geometric sequence: $\frac { 1 } { 2 } , - 1,2 , - 4,8 , \ldots$
A) $\frac { 2729 } { 2 }$
B) 1369
C) $\frac { 2725 } { 2 }$
D) $\frac { 2731 } { 2 }$

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The Answer of Find the indicated sum.
-Find the sum of the first 13 terms of the geometric sequence: $\frac { 1 } { 2 } , - 1,2 , - 4,8 , \ldots$
A) $\frac { 2729 } { 2 }$
B) 1369
C) $\frac { 2725 } { 2 }$
D) $\frac { 2731 } { 2 }$

Find the Indicated Sum 12,−1,2,−4,8,…\frac { 1 } { 2 } , - 1,2 , - 4,8 , \ldots21​,−1,2,−4,8,…

Find the Indicated Sum $\frac { 1 } { 2 } , - 1,2 , - 4,8 , \ldots$