CHAPTER 9. INTEGRAL CALCULUS = = Figure 181. = 1068. ^êÉ~=råÇÉê=~=`ìêîÉ= Ä p = ∫ Ñ ()Çññ = c ( ) cÄ − ( ) ~ I== ~ ïÜÉêÉ= () ( ) ñÑñc′ = K= = 251