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July 25, 2016
Posted by **KC** on Saturday, September 1, 2012 at 6:47pm.

- Math -
**Anu**, Saturday, September 1, 2012 at 7:22pmlim (x->0) x^4 cos 2/x=

=lim (x->0) x^4 * lim (x>0) cos 2/x

= 0 * lim (x>0) cos 2/x

cos (a) will always be between -1 and 1. but this is irrelevant since x^4 is 0 at x=0, and anything multiplied by 0 is 0

:P