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Popular Calculus >

integral of (5x)^2

Solution

\int (5 x)^{2} d x

Solution

\frac{25 x ^{3}}{3} + C

Solution steps

\int (5 x)^{2} d x

Simplify

(5 x)^{2} : 25 x^{2}

= \int 25 x^{2} d x

Take the constant out:

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

= 25 \cdot \int x^{2} d x

Apply the Power Rule

= 25 \cdot \frac{x ^{3}}{3}

Multiply fractions:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{25 x ^{3}}{3}

Add a constant to the solution

= \frac{25 x ^{3}}{3} + C

Graph

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Frequently Asked Questions (FAQ)

What is the integral of (5x)^2 ?
The integral of (5x)^2 is (25x^3)/3+C