Math Chapter Wise Integration, Applications Of Integration And Area Bounded By Curve English MCQ UP PCS (Pre) 2002 Q.The length of the normal at the point (x,y) to the curve x -x a a 1 y = a e +e 2 is: A2 x a cos a B2 x a sin a C2 x a sin h a D2 x a cos h a Show answer Correct answer: 2 x a cos h a