( optional). Let f be continuous on [a, b] and differentiable in (a, 6). Show that if lim f'6) = A, then f'la) exists and equals A. Hint: Use the definition of f'la) and the mean value Theorem. )

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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prove
10. (optional) Let f be coutianous on La, b]
and differentiable in (a, b).
if lim f'6) = A, then
Show that
f'la) exists
and equals A.
(Hìnt: Use the definition of f'la) and the
mean value Theorem. )
Transcribed Image Text:prove 10. (optional) Let f be coutianous on La, b] and differentiable in (a, b). if lim f'6) = A, then Show that f'la) exists and equals A. (Hìnt: Use the definition of f'la) and the mean value Theorem. )
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