Evaluate ∫ [cos(2x+1) + 1/(2x+1)] dx.

Options

• Option A

  0

• Option B

  sin(2x+1)/2 + (1/2)log|2x+1| + C

• Option C

  None of these

• Option D

  sin(2x+1)/2 + (1/2)log|2x+1|