Math Chapter Wise Integration, Applications Of Integration And Area Bounded By Curve English MCQ TGT 2005 Q.Which of the following function in an even function - A() 1 x a f x x a + = − B() 1 x a f x x x a − = + C() x x a a f x x x a a − = − + D() sin f x x = Show answer Correct answer: () 1 x a f x x x a − = +