Wednesday, 18 October 2017

divisibility - Show that the number n is divisible by 7

How can I prove that n=8709120 divisible by 7?
I have tried a couple methods, but I can't show that. Can somebody please help me?

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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}...