differential proof

differential proof

Postby galactus » Fri Jul 20, 2007 5:19 pm

Prove:

"If f''(x) exists for each x in (a,b), then f anf f' are continuous on (a,b)".
galactus
 
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Postby Infernum » Tue Oct 09, 2007 2:34 am

This statement is not true.

Infernum
 
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