Evaluate:

\\\\int (dx)/(x\\\\sqrt(4x+9))

. (Hint: Substitute

{

(

:(u=\\\\sqrt(4x+9)).)

}\ (3)

(1)/(6)arctan((\\\\sqrt(4x+9))/(3))+C

\

(1)/(3)ln|4x|+C

\

(1)/(3)ln|(\\\\sqrt(4x+9)+3)/(\\\\sqrt(4x+9)-3)|+C

\

(1)/(3)ln|(\\\\sqrt(4x+9)-3)/(\\\\sqrt(4x+9)+3)|+C

\

(1)/(3)xln\\\\sqrt(4x+9)+C

\ None of the answers presented here

Evaluate: x4x+9dx( Hint: Substitute (u=4x+9) 61arctan(34x+9)+C 31ln4x+C 31ln4x+934x+9+3+C 31ln4x+9+34x+93+C 31xln4x+9+C None of the answers presented here Evaluate: x4x+9dx( Hint: Substitute (u=4x+9) 61arctan(34x+9)+C 31ln4x+C 31ln4x+934x+9+3+C 31ln4x+9+34x+93+C 31xln4x+9+C None of the answers presented here