Math Chapter Wise Integration, Applications Of Integration And Area Bounded By Curve English MCQ UP PCS (Pre) 2006 Q.() () = − ∫ b a f(x)dx b a f r, where r is some number such that: Aa<r<b Ba≤r≤b Cb<r<a Db≤r≤a Show answer Correct answer: a≤r≤b