Finding Indefinite Integrals In Exercises 25–70, find the most general antiderivative or indefinite

Chapter 4.8 Antiderivatives Ex53-56
數學系卡安很閒 所以決定拯救沒辦法用quizlet和chegg的莘莘學子
Finding Indefinite Integrals In Exercises 25–70, find the most general antiderivative or indefinite integral. You may need to try a solution and then adjust your guess. Check your answers by differentiation.
53. ∫(e^(-x) + 4^x) dx
54. ∫(1.3)^x dx
55. ∫(4 sec x tan x - 2 sec^2 x) dx
56. ∫(csc^2 x - csc x cot x)/2dx