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

The integral of (10x^2)/(sqrt(1+x^3)) is 20/3 sqrt(1+x^3)+C

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integral of (10x^2)/(sqrt(1+x^3))

\int \frac{10 x ^{2}}{1 + x ^{3}} d x

\frac{20}{3} 1 + x^{3} + C

Solution steps

\int \frac{10 x ^{2}}{1 + x ^{3}} d x

Take the constant out:

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

= 10 \cdot \int \frac{x ^{2}}{1 + x ^{3}} d x

Apply u-substitution

: \int \frac{1}{3 u} d u

= 10 \cdot \int \frac{1}{3 u} d u

Take the constant out:

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

= 10 \cdot \frac{1}{3} \cdot \int \frac{1}{u} d u

Apply the Power Rule

: 2 u^{\frac{1}{2}}

= 10 \cdot \frac{1}{3} \cdot 2 u^{\frac{1}{2}}

Substitute back

u = 1 + x^{3}

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

Simplify

10 \cdot \frac{1}{3} \cdot 2 (1 + x^{3})^{\frac{1}{2}} : \frac{20}{3} 1 + x^{3}

= \frac{20}{3} 1 + x^{3}

Add a constant to the solution

= \frac{20}{3} 1 + x^{3} + C

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What is the integral of (10x^2)/(sqrt(1+x^3)) ?
The integral of (10x^2)/(sqrt(1+x^3)) is 20/3 sqrt(1+x^3)+C