Friday, 12 October 2018

radicals - How to prove that sqrt3 is an irrational number?








I know how to prove 2 is an irrational number. Who can tell me that why 3 is a an irrational number?

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real analysis - How to find limhrightarrow0fracsin(ha)h

How to find lim without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...