Show by means of an example that lim x->a [f(x) + g(x)] may exist even though neither lim x->a f(x) nor lim x->a g(x) exists.

How could I show this?

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- Feb 19th 2011, 01:56 PMcolerelm1How could I show this?
Show by means of an example that lim x->a [f(x) + g(x)] may exist even though neither lim x->a f(x) nor lim x->a g(x) exists.

How could I show this? - Feb 19th 2011, 02:00 PMDefunkt
One option is to take a function , for which the limit at does not exist, and then take .