Find the derivative.
-$$r = \frac { 2 } { s ^ { 3 } } - \frac { 7 } { s }$$
A) $\frac { 6 } { s ^ { 4 } } - \frac { 7 } { s ^ { 2 } }$
B) $\frac { 2 } { s ^ { 4 } } - \frac { 7 } { s ^ { 2 } }$
C) $- \frac { 6 } { s ^ { 2 } } + \frac { 7 } { s ^ { 2 } }$
D) $- \frac { 6 } { s ^ { 4 } } + \frac { 7 } { s ^ { 2 } }$

Question

Quizplus · Accepted Answer

The derivative of $r = \frac{2}{s^3} - \frac{7}{s}$ is found by differentiating each term: $-\frac{6}{s^4} + \frac{7}{s^2}$.

Find the Derivative r=2s3−7sr = \frac { 2 } { s ^ { 3 } } - \frac { 7 } { s }r=s32​−s7​

Find the Derivative $r = \frac { 2 } { s ^ { 3 } } - \frac { 7 } { s }$