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Find the Second Derivative of the Function r=(1+8θ8θ)(8θ)r = \left( \frac { 1 + 8 \theta } { 8 \theta } \right) ( 8 - \theta )

Question 21

Multiple Choice

Find the second derivative of the function.
- r=(1+8θ8θ) (8θ) r = \left( \frac { 1 + 8 \theta } { 8 \theta } \right) ( 8 - \theta )


A) d2rdθ2=2θ3\frac { \mathrm { d } ^ { 2 } r } { d \theta ^ { 2 } } = \frac { 2 } { \theta ^ { 3 } }
B) d2rdθ2=1θθ\frac { \mathrm { d } ^ { 2 } r } { d \theta ^ { 2 } } = \frac { 1 } { \theta } - \theta
C) d2rdθ2=2θ31\frac { d ^ { 2 } r } { d \theta ^ { 2 } } = - \frac { 2 } { \theta ^ { 3 } } - 1
D) d2rdθ2=1θ21\frac { d ^ { 2 } r } { d \theta ^ { 2 } } = - \frac { 1 } { \theta ^ { 2 } } - 1

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