Question 4 (2 points) Find the indefinite integral. 21n-x dx x2 O a) 2(In2x -21nx + 2) + X O b) 2(In-x + 21nx + 2) -+ C O c) _ 2(In x + 2inx + 2) + c O d) 2(21n-x + 2) - + 0 Oe) 2(21nex + 2) + 0