Using Fermat's little theorem I proved that
121^{199} = 121^{39} \mod 300
(as \phi(300) is 80) but I don't think I can leave it like this.
My question being how can I solve 121^{39}\hspace{-3mm}\mod 300. Any ideas, suggestions?
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}...
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