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# Pointwise limit question

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Let
fk (x) = (e^(-x^(2) /k) / k , k = 1, 2, 3, . . . .
a) Determine the pointwise limit f of the sequence {fk} infinity k=1 on R.
b) Show that the sequence {fk} infinity k=1 converges to f uniformly to f on R.

##### Solution Summary

Determine the pointwise limit of a given sequence of exponential functions. Show that the sequence converges uniformly on R.

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###### Education
• BSc, University of Bucharest
• MSc, Ovidius
• MSc, Stony Brook
• PhD (IP), Stony Brook
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