So , if z< 0. et (fn)n be a sequence of functions fn : [0, 1] →R defined by fn(r) = nz Then 1. f converges to 0 pointwisely on [0, 1] since fn converges to 0 pointwisely. 2. fn converges to f = 0 uniformly on [0, 1] and thus f fn(x)dr converges to f f(x)dr. 3. fn converges to 0 pointwisely on [0, 1] but not uniformly. 4. fn doesn't converge pointwisely to 0 on [0, 1].
So , if z< 0. et (fn)n be a sequence of functions fn : [0, 1] →R defined by fn(r) = nz Then 1. f converges to 0 pointwisely on [0, 1] since fn converges to 0 pointwisely. 2. fn converges to f = 0 uniformly on [0, 1] and thus f fn(x)dr converges to f f(x)dr. 3. fn converges to 0 pointwisely on [0, 1] but not uniformly. 4. fn doesn't converge pointwisely to 0 on [0, 1].
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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