What is the integral of x*cos(x^2) ?

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

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integral of x*cos(x^2)

\int x \cdot cos (x^{2}) d x

\frac{1}{2} sin (x^{2}) + C

Solution steps

\int x cos (x^{2}) d x

Apply u-substitution

: \int \frac{cos ( u )}{2} d u

= \int \frac{cos ( u )}{2} d u

Take the constant out:

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

= \frac{1}{2} \cdot \int cos (u) d u

Use the common integral:

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

= \frac{1}{2} sin (u)

Substitute back

u = x^{2}

= \frac{1}{2} sin (x^{2})

Add a constant to the solution

= \frac{1}{2} sin (x^{2}) + C

y^{^{''}} + 5 y^{^{'}} = 0, y (0) = 0

2 x + 5 x^{\frac{2}{5}}

\frac{d}{d t} (t + 8)

\frac{d}{d x} (- sin (4 x) 4)

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

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