What is derivative of f(x)= 7/(r^3) ?

The answer to derivative of f(x)= 7/(r^3) is (dr)/(dx)=0

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derivative of f(x)= 7/(r^3)

derivative

\frac{d r}{d x} = 0

Solution steps

f (x) = \frac{7}{r ^{3}}

Treat

r

r (x)

Differentiate both sides:

0 = - \frac{21 \frac{d r}{d x}}{r ^{4}}

Isolate

\frac{d r}{d x} : \frac{d r}{d x} = 0

\frac{d r}{d x} = 0

What is derivative of f(x)= 7/(r^3) ?
The answer to derivative of f(x)= 7/(r^3) is (dr)/(dx)=0