What is the integral of (x^5)/(x^{12)+2} ?

The integral of (x^5)/(x^{12)+2} is 1/(6sqrt(2))arctan((x^6)/(sqrt(2)))+C

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integral of (x^5)/(x^{12)+2}

\int \frac{x ^{5}}{x ^{12} + 2} d x

\frac{1}{6 2} arctan (\frac{x ^{6}}{2}) + C

Solution steps

\int \frac{x ^{5}}{x ^{12} + 2} d x

Apply u-substitution

: \int \frac{1}{6 ( u ^{2} + 2 )} d u

= \int \frac{1}{6 ( u ^{2} + 2 )} d u

Take the constant out:

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

= \frac{1}{6} \cdot \int \frac{1}{u ^{2} + 2} d u

Apply Integral Substitution

= \frac{1}{6} \cdot \int \frac{1}{2 ( v ^{2} + 1 )} d v

Take the constant out:

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

= \frac{1}{6} \cdot \frac{1}{2} \cdot \int \frac{1}{v ^{2} + 1} d v

Use the common integral:

\int \frac{1}{v ^{2} + 1} d v = arctan (v)

= \frac{1}{6} \cdot \frac{1}{2} arctan (v)

Substitute back

= \frac{1}{6} \cdot \frac{1}{2} arctan (\frac{x ^{6}}{2})

Simplify

\frac{1}{6} \cdot \frac{1}{2} arctan (\frac{x ^{6}}{2}) : \frac{1}{6 2} arctan (\frac{x ^{6}}{2})

= \frac{1}{6 2} arctan (\frac{x ^{6}}{2})

Add a constant to the solution

= \frac{1}{6 2} arctan (\frac{x ^{6}}{2}) + C

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What is the integral of (x^5)/(x^{12)+2} ?
The integral of (x^5)/(x^{12)+2} is 1/(6sqrt(2))arctan((x^6)/(sqrt(2)))+C