Find the Second Derivative $$w = z ^ { - 6 } - \frac { 1 } { z }$$

question 409

Multiple Choice

Find the second derivative.
- $$w = z ^ { - 6 } - \frac { 1 } { z }$$

• A) \(- 6 z ^ { - 8 } - \frac { 2 } { z ^ { 3 } }\)
• B) \(- 6 z ^ { - 7 } + \frac { 1 } { z ^ { 2 } }\)
• C) \(42 z ^ { - 8 } - \frac { 2 } { z ^ { 3 } }\)
• D) \(42 z ^ { - 8 } + \frac { 2 } { z ^ { 3 } }\)

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