question_answer

\[\int{\frac{dx}{{{x}^{2}}+4x+13}}\]   is equal to

A)  \[\log ({{x}^{2}}+4x+13)+C\]

B)  \[\frac{1}{3}{{\tan }^{-1}}\left( \frac{x+2}{3} \right)+C\]

C)  \[\log (2x+4)+C\]

D)  \[\frac{2x+4}{{{({{x}^{2}}+4x+13)}^{2}}}+C\]

E)  None of these