.
Example3:
Find the area enclosedby the curvesof and
Solution:
The graphindicatesthe area we needto focuson.
Beforeprovidinganotherexample,let’s look backat the first part of the FundamentalTheorem.If function
is definedby on then on Observethat if we differen-
tiate the integralwith respectto we have
This fact enablesus to computederivativesof integralsas in the followingexample.
Example4:
Use the FundamentalTheoremto find the derivativeof the followingfunction: