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OpenStudy (anonymous):
find the number of roots for each equation. 2-x^4+x^2=0
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OpenStudy (anonymous):
@jidery can you help!
OpenStudy (anonymous):
but my book says its 4
OpenStudy (anonymous):
do you think its wrong
OpenStudy (anonymous):
Technicaly, the ammount of roots would be the highest power of the unknown, so the book would be right if we simplify the problem to |dw:1354249991132:dw|
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