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# THEOREM 205. Define the functions fr : [0, 1] + R by Sn(:1) = x" /n...

THEOREM 205. Define the functions fr : [0, 1] + R by Sn(:1) = x" /n for n E N. The sequence n H Sn converges uniformly to the function f = 0, but the sequence n o fh does not converge to f' = 0. Note that the operations of taking a limit and taking a derivative do not necessarily commute.

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