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

question 197

Multiple Choice

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

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

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