I have been asked to give an example of a function form R to R thats fails to have limit as x tends to infinity but for which f(x)^2 tends to 4 as x tends to infinity.(adsbygoogle = window.adsbygoogle || []).push({});

I've had a go at this but the functions I can think of that don't have limits as x tends to infinity are the trigonemetric ones which dosen't help when looking at f(x)^2.

Can anyone help?

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# Limits Of Functions

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