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View Full Version : Lim as x->a f(x) = L PROOF using epsilon and delta


finishimx7
Oct10-10, 02:41 PM
Suppose limx->a f(x) = L does NOT equal 0.

Prove that there exists a (delta) d > 0 such that 0<|x-a|<d

which implies f(x) does NOT equal 0.


Does Anybody Know the Proof For This?

mathman
Oct10-10, 05:01 PM
Your statement is incomplete.

deluks917
Oct10-10, 05:03 PM
Make epsilon less = |L|.