use squeeze theorem to establish limit
lim (as x goes to zero) of x sin(1/x)=0
also help with keying problem? symbosl etc?
For all ,
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This is also valid for ,
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Multiply by and apply the squeeze theorem.
Examples of using Latex (the symbols) can be found here Use [tex] and [/tex] tags NOT [math] and [/math] tags for latex. and LaTex Tutorial