Find $y ^ { \prime }$ $y = 4 ( \ln x ) ^ { - 9 }$

question 5

Multiple Choice

Find $y ^ { \prime }$ . $y = 4 ( \ln x ) ^ { - 9 }$

• A) \(- \frac { 16 } { x ( \ln x ) ^ { 10 } }\)
• B) \(- \frac { 81 } { x ( \ln x ) ^ { 10 } }\)
• C) \(- \frac { 36 } { x ( \ln x ) ^ { 10 } }\)
• D) \(- \frac { 36 } { x ( \ln x ) ^ { 8 } }\)
• E) \(- \frac { 81 } { x ( \ln x ) ^ { 8 } }\)

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