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burhan101Best ResponseYou've already chosen the best response.0
\[\lim_{x \rightarrow 3} \frac{ \frac{ 1 }{ x }\frac{ 1 }{ 3 } }{ x3 }\]
 one year ago

wioBest ResponseYou've already chosen the best response.0
What have you tried so far?
 one year ago

burhan101Best ResponseYou've already chosen the best response.0
i know we're supposed to rationalize, but how ? :S
 one year ago

wioBest ResponseYou've already chosen the best response.0
First of all, can you turn \[\frac{1}{x}\frac{1}{3}\]Into a single fraction?
 one year ago

wioBest ResponseYou've already chosen the best response.0
Remember that \[\frac{a}{b}+\frac{c}{d}=\frac{ad}{bd}+\frac{cb}{bd}=\frac{ad+cb}{bd}\]
 one year ago

burhan101Best ResponseYou've already chosen the best response.0
i get \[\frac{ 3x }{ 3x }\]
 one year ago

wioBest ResponseYou've already chosen the best response.0
Altogether it's:\[\Large \lim_{x\rightarrow 3}\frac{\frac{3x}{3x}}{x3}\]Can you see any way to cancel things out?
 one year ago

burhan101Best ResponseYou've already chosen the best response.0
dw:1350446553429:dw
 one year ago
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