What is the integral of sqrt(x)-3cos(x) ?

The integral of sqrt(x)-3cos(x) is 2/3 x^{3/2}-3sin(x)+C

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integral of sqrt(x)-3cos(x)

\int x - 3 cos (x) d x

\frac{2}{3} x^{\frac{3}{2}} - 3 sin (x) + C

Solution steps

\int x - 3 cos (x) d x

Apply the Sum Rule:

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

= \int x d x - \int 3 cos (x) d x

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

\int 3 cos (x) d x = 3 sin (x)

= \frac{2}{3} x^{\frac{3}{2}} - 3 sin (x)

Add a constant to the solution

= \frac{2}{3} x^{\frac{3}{2}} - 3 sin (x) + C

\int \frac{1}{2 x ( 3 - x )} d x

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\int 2 x e^{- 5 x} d x

What is the integral of sqrt(x)-3cos(x) ?
The integral of sqrt(x)-3cos(x) is 2/3 x^{3/2}-3sin(x)+C