Indefinite IntegrationHard
Question
dx equal to -Options
A.x − log x + 
log (x2 + 1) − tan−1 x + c
log (x2 + 1) − tan−1 x + cB.x + log x + log (x2 + 1) − tan−1 x + c
log (x2 + 1) − tan−1 x + cC.x − log x − log (x2 + 1) − tan−1 x + c
log (x2 + 1) − tan−1 x + cD.None of these