What is the integral of cos(x)+1/2 x ?

The integral of cos(x)+1/2 x is sin(x)+(x^2)/4+C

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integral of cos(x)+1/2 x

\int cos (x) + \frac{1}{2} x d x

sin (x) + \frac{x ^{2}}{4} + C

Solution steps

\int cos (x) + \frac{1}{2} 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}{2} x d x

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

\int \frac{1}{2} x d x = \frac{x ^{2}}{4}

= sin (x) + \frac{x ^{2}}{4}

Add a constant to the solution

= sin (x) + \frac{x ^{2}}{4} + C

\int (1 - e^{x}) d x

\int (4 x - 1) d x

\int (x e^{x} + x) d x

\int a^{2} - x^{2} d x

\int \frac{x ^{2}}{( 4 x ^{2} - 4 x - 3 ) ^{\frac{3}{2}}} d x

What is the integral of cos(x)+1/2 x ?
The integral of cos(x)+1/2 x is sin(x)+(x^2)/4+C