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Expand the Quotient by Partial Fractions 6zz32z28z\frac { 6 z } { z ^ { 3 } - 2 z ^ { 2 } - 8 z }

Question 197

Multiple Choice

Expand the quotient by partial fractions.
- 6zz32z28z\frac { 6 z } { z ^ { 3 } - 2 z ^ { 2 } - 8 z }


A) 1z+1z4+1z+2\frac { 1 } { z } + \frac { - 1 } { z - 4 } + \frac { 1 } { z + 2 }
B) 1z4+1z+2\frac { 1 } { z - 4 } + \frac { 1 } { z + 2 }
C) 1z+1z4+1z+2\frac { 1 } { \mathrm { z } } + \frac { 1 } { \mathrm { z } - 4 } + \frac { - 1 } { \mathrm { z } + 2 }
D) 1z4+1z+2\frac { 1 } { z - 4 } + \frac { - 1 } { z + 2 }

Correct Answer:

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