Thursday, 25 August 2016

elementary number theory - Prove that gcd(an1,am1)=agcd(n,m)1

For all a,m,nZ+,



gcd

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

How to find \lim_{h\rightarrow 0}\frac{\sin(ha)}{h} without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...