What is the integral of (78x3 + 26x - 42)/(x2) dx? Choose the correct option:
a) \int (78x3 + 26x - 42)/(x2) dx
b) \int (78x3 + 26x - 42)/(x2)
c) \int (78x3 + 26x - 42)/(x2) dx=
d) \int (78x3 + 26x - 42)/(x2)