What is the integral of ((z^4+10z^3)/(2z^2)) ?

The integral of ((z^4+10z^3)/(2z^2)) is 1/2 ((z^3)/3+5z^2)+C

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integral of ((z^4+10z^3)/(2z^2))

\int (\frac{z ^{4} + 10 z ^{3}}{2 z ^{2}}) d z

\frac{1}{2} (\frac{z ^{3}}{3} + 5 z^{2}) + C

Solution steps

\int \frac{z ^{4} + 10 z ^{3}}{2 z ^{2}} d z

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= \frac{1}{2} \cdot \int \frac{z ^{4} + 10 z ^{3}}{z ^{2}} d z

\frac{z ^{4} + 10 z ^{3}}{z ^{2}} = z^{2} + 10 z

= \frac{1}{2} \cdot \int z^{2} + 10 z d z

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \frac{1}{2} (\int z^{2} d z + \int 10 z d z)

\int z^{2} d z = \frac{z ^{3}}{3}

\int 10 z d z = 5 z^{2}

= \frac{1}{2} (\frac{z ^{3}}{3} + 5 z^{2})

Add a constant to the solution

= \frac{1}{2} (\frac{z ^{3}}{3} + 5 z^{2}) + C

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What is the integral of ((z^4+10z^3)/(2z^2)) ?
The integral of ((z^4+10z^3)/(2z^2)) is 1/2 ((z^3)/3+5z^2)+C