What is the integral of x(sin(x^2)) ?

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

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integral of x(sin(x^2))

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

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

Solution steps

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

Apply u-substitution

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

= \int \frac{sin ( 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 sin (u) d u

Use the common integral:

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

= \frac{1}{2} (- cos (u))

Substitute back

u = x^{2}

= \frac{1}{2} (- cos (x^{2}))

Simplify

= - \frac{1}{2} cos (x^{2})

Add a constant to the solution

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

\frac{x ^{2}}{8}, 2 x^{2}, y = 2, y = 0

(1 - x^{2})^{\frac{1}{2}}

2 x y \frac{d y}{d x} = 3

\int \frac{ln ( x ) - 1}{x} d x

x \to 1 lim (3 x - 6)

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