- #1
Castilla
- 241
- 0
Let be
lim sup {g(y) - g(a)} / (y - a) = L.
y-> a
It seems that this lemma exists: For all epsilon e > 0 and delta d > 0, there is an y such that 0 < l y - a l < d and g(y) > L - e.
Can someone give me some hint to proof this?
Thank you.
lim sup {g(y) - g(a)} / (y - a) = L.
y-> a
It seems that this lemma exists: For all epsilon e > 0 and delta d > 0, there is an y such that 0 < l y - a l < d and g(y) > L - e.
Can someone give me some hint to proof this?
Thank you.