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OpenStudy (anonymous):
State how many imaginary and real zeros the function has. f(x) = x3 + 5x2 + x + 5
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OpenStudy (luigi0210):
Factor by grouping
ganeshie8 (ganeshie8):
or simply use Descarte's rule of signs
ganeshie8 (ganeshie8):
as we dont have to find the actual zeroes
OpenStudy (anonymous):
whats Descarte's rule of signs?
ganeshie8 (ganeshie8):
go with Luigi method.... its easy to group here :)
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OpenStudy (luigi0210):
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