Friday, 5 April 2013

group theory - minimal polynomial of an element from a field

Tell me please, if there is a field that contains 121 elements and is an element of order 12 in the multiplicative group of this field, how can I find the minimal polynomial of this element?

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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}...