Q7. (9 marks) Each of the following definite integrals can be computed through substitution. Make sure to clearly state the function you are substituting, and clearly indicate how the limits of integration of the definite integral change when you perform the substitution. e sin (g In(x) ) ( 2)/ dx In(7) ( b ) ev2+ edx JIn ( 2) 1 ( c ) x2 + 4x+5 dx - 3