Noticethat the unknownintegralnow appearson both sidesof the equation.We can simplymovethe unknown
integralon the right to the left side of the equation,thus addingit to our originalintegral:
Dividingboth sidesby we obtain
Sincethe constantof integrationis just a “dummy”constant,let
Finally, our solutionis
ReviewQuestions
Evaluatethe followingintegrals.(Remark:Integrationby partsis not necessarilya requirementto solvethe
integrals.In some,you may needto use -substitutionalongwith integrationby parts.)