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Popular >

integral of arctan(x^2)

Solution

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

Solution

x arctan (x^{2}) - 2 (- \frac{1}{4 2} (ln 2 x^{2} + 22 x + 2 - 2 arctan (2 x + 1)) + \frac{1}{4 2} (ln 2 x^{2} - 22 x + 2 + 2 arctan (2 x - 1))) + C

Solution steps

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

Apply Integration By Parts

: x arctan (x^{2}) - \int \frac{2 x ^{2}}{x ^{4} + 1} d x

= x arctan (x^{2}) - \int \frac{2 x ^{2}}{x ^{4} + 1} d x

\int \frac{2 x ^{2}}{x ^{4} + 1} d x = 2 (- \frac{1}{4 2} (ln 2 x^{2} + 22 x + 2 - 2 arctan (2 x + 1)) + \frac{1}{4 2} (ln 2 x^{2} - 22 x + 2 + 2 arctan (2 x - 1)))

= x arctan (x^{2}) - 2 (- \frac{1}{4 2} (ln 2 x^{2} + 22 x + 2 - 2 arctan (2 x + 1)) + \frac{1}{4 2} (ln 2 x^{2} - 22 x + 2 + 2 arctan (2 x - 1)))

Add a constant to the solution

= x arctan (x^{2}) - 2 (- \frac{1}{4 2} (ln 2 x^{2} + 22 x + 2 - 2 arctan (2 x + 1)) + \frac{1}{4 2} (ln 2 x^{2} - 22 x + 2 + 2 arctan (2 x - 1))) + C

Graph

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Frequently Asked Questions (FAQ)

What is the integral of arctan(x^2) ?
The integral of arctan(x^2) is