quickestlearner23891 quickestlearner23891 18-04-2024 Mathematics contestada Evaluate the indefinite integral:∫ (1)/((3x+1)²)dxa. -(1)/(3(3x+1))+Cb. (1)/(3)ln((3x+1)²)+Cc. (1)/(3(3x+1))ln((3x+1)²)+Cd. -(6)/((3x+1)³)+Ce. -(3)/((3x+1))+C