What is the integral of (cos(x)+1/5 x) ?

The integral of (cos(x)+1/5 x) is sin(x)+(x^2)/(10)+C

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integral of (cos(x)+1/5 x)

\int (cos (x) + \frac{1}{5} x) d x

sin (x) + \frac{x ^{2}}{10} + C

Solution steps

\int cos (x) + \frac{1}{5} 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 cos (x) d x + \int \frac{1}{5} x d x

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

\int \frac{1}{5} x d x = \frac{x ^{2}}{10}

= sin (x) + \frac{x ^{2}}{10}

Add a constant to the solution

= sin (x) + \frac{x ^{2}}{10} + C

\int \frac{x ^{3}}{1 + x ^{4}} d x

\frac{\partial}{\partial x} ((e^{x} (y - x)) d x)

\int \frac{x}{2 x ^{2} + 4} d x

\int \frac{csc ^{2} ( x )}{2 x} d x

\frac{d}{d x} (2 sin (x - 2))

What is the integral of (cos(x)+1/5 x) ?
The integral of (cos(x)+1/5 x) is sin(x)+(x^2)/(10)+C