Find the third derivative. $y = \frac { 4 } { x ^ { 9 } }$
A) $\frac { - 3960 } { x ^ { 11 } }$
B) $\frac { 3960 } { x ^ { 12 } }$
C) $0$
D) $\frac { 440 } { x ^ { 11 } }$
E) $\frac { - 3960 } { x ^ { 12 } }$

Question

Quizplus · Accepted Answer

The function can be rewritten as $y = 4x^{-9}$. The first derivative is $y' = -36x^{-10}$, the second derivative is $y'' = 360x^{-11}$, and the third derivative is $y''' = -3960x^{-12}$.

Find the Third Derivative y=4x9y = \frac { 4 } { x ^ { 9 } }y=x94​

Find the Third Derivative $y = \frac { 4 } { x ^ { 9 } }$