This seems easy but i am not quite sure .. For so i think , = 180/7 , 540/7 , =90 , 270 , = 180 Am i correct >
Last edited by mr fantastic; October 7th 2009 at 02:00 AM. Reason: Added latex tags to some of the code
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see the graph, i think 7 times it crossed the x-axis, more roots are missing. The graph looks symetric . . .
a better graph, see
Originally Posted by pacman see the graph, i think 7 times it crossed the x-axis, more roots are missing. The graph looks symetric . . . Sorry but that doesn't really help . Do you spot any mistake in my working ?
Hello, thereddevils! Left out a few solutions . . . . . For , we have: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thanks soroban, that explain why there are 9 roots in my graph. . . . . . . . . . . . . . . . . . . . . . . . .
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