Entered Answer Preview Result Messag 6*X 6x incorrect incorrect Variable 'x' is no 6x incorrect defined in this contex (2/3)*atan((1/2)*sqrt([e^(6*x)]-4))+ - Bran " ( 2 Veor- 4 ) + 3 Vex. correct (1/3)*sqrt([e^(6*x)]-4) t least one of the answers above is NOT correct. of the questions remains unanswered. (1 point) Use the Table of Integrals in the back of your textbook to evaluate the following indefinite integral. The substitution used is u = 6x formula number After substitution, J Veox - 4 dx = S 6x du. The value of / Veox - 4 dx = -(2/3)arctan(1/2sqrt(e^(6x)-4))+(1/3)sqrt(e^(6x)-4) +C