Friday 20 June 2014

radicals - How to prove that $sqrt 3$ is an irrational number?








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

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real analysis - How to find $lim_{hrightarrow 0}frac{sin(ha)}{h}$

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