What is derivative of w(z)=7-z ?

The answer to derivative of w(z)=7-z is (dz)/(dw)=-z/(w+1)

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derivative of w(z)=7-z

derivative of

w = 7 - z

\frac{d z}{d w} = - \frac{z}{w + 1}

Solution steps

w z = 7 - z

Treat

z

z (w)

Differentiate both sides:

z + w \frac{d z}{d w} = - \frac{d z}{d w}

Isolate

\frac{d z}{d w} : \frac{d z}{d w} = - \frac{z}{w + 1}

\frac{d z}{d w} = - \frac{z}{w + 1}

10 y^{^{''}} + 11 y^{^{'}} = 5 cos (4 t)

\int tan (2 x) sec^{5} (2 x) d x

\frac{d}{d x} ((\frac{4}{5} x)^{4})

\int 4 sec^{2} (2 x) tan (2 x) d x

100 - h^{2}

What is derivative of w(z)=7-z ?
The answer to derivative of w(z)=7-z is (dz)/(dw)=-z/(w+1)