Let a be a postive real number. it tis a continuous and even function detned on the nterval a, al then x is equal to +e a) tx) d (8) c) 2tx) dx 2a d 1-e (d)

Let a be a postive real number. It tis a continuous and even function detned on the nterval a, al then x is equal to +e A) tx) d (8) C) 2tx) dx 2a d 1-e (D)