Find a general term an for the geometric sequence.
-$$a _ { 2 } = - 4 , a _ { 11 } = \frac { 1 } { 128 }$$
A) $a _ { n } = 8 \left( - \frac { 1 } { 2 } \right) ^ { n - 1 }$
B) $a _ { n } = \frac { 1 } { 8 } ( - 2 )^{ n - 1}$
C) $a _ { n } = 6 \left( - \frac { 1 } { 4 } \right) ^ { n - 1 }$
D) $a _ { n } = 8 \left( \frac { 1 } { 2 } \right) ^ { n - 1 }$

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The Answer of Find a general term an for the geometric sequence.
-$$a _ { 2 } = - 4 , a _ { 11 } = \frac { 1 } { 128 }$$
A) $a _ { n } = 8 \left( - \frac { 1 } { 2 } \right) ^ { n - 1 }$
B) $a _ { n } = \frac { 1 } { 8 } ( - 2 )^{ n - 1}$
C) $a _ { n } = 6 \left( - \frac { 1 } { 4 } \right) ^ { n - 1 }$
D) $a _ { n } = 8 \left( \frac { 1 } { 2 } \right) ^ { n - 1 }$

Find a General Term an for the Geometric Sequence a2=−4,a11=1128a _ { 2 } = - 4 , a _ { 11 } = \frac { 1 } { 128 }a2​=−4,a11​=1281​

Find a General Term an for the Geometric Sequence $a _ { 2 } = - 4 , a _ { 11 } = \frac { 1 } { 128 }$