What is the integral of (5x^2+1)^2(10x) ?

The integral of (5x^2+1)^2(10x) is 1/3 (5x^2+1)^3+C

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integral of (5x^2+1)^2(10x)

\int (5 x^{2} + 1)^{2} (10 x) d x

\frac{1}{3} (5 x^{2} + 1)^{3} + C

Solution steps

\int (5 x^{2} + 1)^{2} \cdot 10 x d x

Take the constant out:

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

= 10 \cdot \int (5 x^{2} + 1)^{2} x d x

Apply u-substitution

: \int \frac{u ^{2}}{10} d u

= 10 \cdot \int \frac{u ^{2}}{10} d u

Take the constant out:

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

= 10 \cdot \frac{1}{10} \cdot \int u^{2} d u

Apply the Power Rule

: \frac{u ^{3}}{3}

= 10 \cdot \frac{1}{10} \cdot \frac{u ^{3}}{3}

Substitute back

u = 5 x^{2} + 1

= 10 \cdot \frac{1}{10} \cdot \frac{( 5 x ^{2} + 1 ) ^{3}}{3}

Simplify

10 \cdot \frac{1}{10} \cdot \frac{( 5 x ^{2} + 1 ) ^{3}}{3} : \frac{1}{3} (5 x^{2} + 1)^{3}

= \frac{1}{3} (5 x^{2} + 1)^{3}

Add a constant to the solution

= \frac{1}{3} (5 x^{2} + 1)^{3} + C

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What is the integral of (5x^2+1)^2(10x) ?
The integral of (5x^2+1)^2(10x) is 1/3 (5x^2+1)^3+C