PLEASE JUST COMPLETE 2, 4, and 6. NO NEED TO DO 1, 3, and 5. Please follow the directions given and show work because I do not understand antiderivatives. Thank you

4.5 Exercises See www.CalcChat.com for worked-out soluti In Exercises 1-6, complete the table by identifying a and du for the integral. felx)g'(x) dx du = g'(x) dr 1. (83 + 1)2(16x) dx 2. xx + Idx 3. + 4. sec 2x tan 2x dr 5. tan' x sec x dr 0OS X 6. sing X