Question $15$

Find the integral ${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{x-17}{x^{2}1}dx.$

$\frac{1}{17ln(x^{2}1)}-17arctanxC$

$\frac{1}{2}ln(x^{2}1)-17arctanxC$

$\frac{1}{2ln(x^{2}1)}17arctanxc$

$2ln(x^{2}1)-17arctanxC$

$17ln(x^{2}1)-arctanxC$

Question $16$