What is the integral of (2-3x)^3 ?

The integral of (2-3x)^3 is -1/12 (2-3x)^4+C

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integral of (2-3x)^3

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

- \frac{1}{12} (2 - 3 x)^{4} + C

Solution steps

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

Apply u-substitution

: \int - \frac{u ^{3}}{3} d u

= \int - \frac{u ^{3}}{3} d u

Take the constant out:

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

= - \frac{1}{3} \cdot \int u^{3} d u

Apply the Power Rule

: \frac{u ^{4}}{4}

= - \frac{1}{3} \cdot \frac{u ^{4}}{4}

Substitute back

u = 2 - 3 x

= - \frac{1}{3} \cdot \frac{( 2 - 3 x ) ^{4}}{4}

Simplify

- \frac{1}{3} \cdot \frac{( 2 - 3 x ) ^{4}}{4} : - \frac{1}{12} (2 - 3 x)^{4}

= - \frac{1}{12} (2 - 3 x)^{4}

Add a constant to the solution

= - \frac{1}{12} (2 - 3 x)^{4} + C

\frac{d}{d x} (\frac{ln ^{2} ( x )}{x})

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y^{^{''}} - y = 5 sin (2 t y) (0)

\frac{d}{d x} (sin (x) + sin^{2} (x))