Math Chapter Wise Integration, Applications Of Integration And Area Bounded By Curve English MCQ UP PCS (Pre) 1998 Q.If ((()) / 4 n 0 f n tan xdx π = ∫ ∫ ∫ then f (3) + f (1) equals: A1 B1/2 C1 D3/2 Show answer Correct answer: 1/2