Let .Define by:
prove that if is continuous at c then
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Originally Posted by flower3 Let .Define by:
prove that if is continuous at c then Integrability is easy to prove. To prove that merely notice that for every choosing a partition such that with we have that . It follows that
Oh...I misread the question. Well...now you have an idea of where to go with it.
Because is continuous, there are points such that implies that .
For any partition of find a refinement that contains the connective intervals such that .
A sum on that refinement is .
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