Solve the problem.
-If $a _ { 1 }$ is $\frac { 1 } { 2 }$, and $r$ is $- 2$, find $\mathrm { S } _ { 10 }$.
A) $- 167$
B) $- \frac { 343 } { 2 }$
C) $- \frac { 347 } { 2 }$
D) $- \frac { 341 } { 2 }$

Question

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The Answer of Solve the problem.
-If $a _ { 1 }$ is $\frac { 1 } { 2 }$, and $r$ is $- 2$, find $\mathrm { S } _ { 10 }$.
A) $- 167$
B) $- \frac { 343 } { 2 }$
C) $- \frac { 347 } { 2 }$
D) $- \frac { 341 } { 2 }$

Solve the Problem a1a _ { 1 }a1​ Is 12\frac { 1 } { 2 }21​

Solve the Problem $a _ { 1 }$ Is $\frac { 1 } { 2 }$