linzedun Posted November 10, 2004 Share Posted November 10, 2004 Sorry, guys, this isn't abstract but the calc board didn't seem very active... I could really use the help on this one... Prove: f(x): [a, b] ----> R has f'(x) continuous @ each x in [a,b] then the definite integral from a to b exists Could someone please make a proof for this one? I am lost as to what to do. Link to comment Share on other sites More sharing options...
matt grime Posted November 10, 2004 Share Posted November 10, 2004 f is diffible, so f is continuous, hence (Riemann) integrable. Link to comment Share on other sites More sharing options...
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