Multiple Choice $1$ point

Evaluate the integral ${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{x1}{x^{2}1}dx.$

$\frac{1}{2}ln(x^{2}1)-ta{n}^{-1}(x)C$

$\frac{1}{2}ln(x^{2}1)ta{n}^{-1}(x)C$

$-\frac{1}{2}ln(x^{2}1)ta{n}^{-1}(x)C$

$\frac{1}{2}ln(x^{2}1)C$

$ta{n}^{-1}(x)C$

$12$

Clear my selection

$13$

$14$

$4$

Multiple Choice

$1$ point