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anonymous
 one year ago
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anonymous
 one year ago
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lncognlto
 one year ago
Best ResponseYou've already chosen the best response.1http://openstudy.com/study#/updates/55a41904e4b05bcb08a1ffc7

Loser66
 one year ago
Best ResponseYou've already chosen the best response.0count the change of the signs to get the possible real roots dw:1437915756595:dw

Loser66
 one year ago
Best ResponseYou've already chosen the best response.0Hence the possibility is 0, 2,4 roots . But you have no option for 0 or 2, hence .....???

lncognlto
 one year ago
Best ResponseYou've already chosen the best response.1@Loser66 I do not understand this sorcery. However, 1 medal for you. http://www.totstoteens.co.nz/wpcontent/uploads/2012/07/goldmedal.jpg

Loser66
 one year ago
Best ResponseYou've already chosen the best response.0That is Decartes' rule of signs http://www.purplemath.com/modules/drofsign.htm

lncognlto
 one year ago
Best ResponseYou've already chosen the best response.1Thanks, my mathematics knowledge has expanded. xD
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