Depressed polynomials

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1. Sep 21, 2008

lucifer_x

how would i write the depressed polynomial for the obvious root of

f(x) = x5 - .5x4 - 5.5x3 - 3.5x2 - 6.5x - 3

2. Sep 21, 2008

HallsofIvy

I am afraid you are going to have to define the term "depressed polynomial". I confess I don't recognize it. (Which makes me depressed!). I will also confess that I don't, offhand, see an "obvious" root to that polynomial!

3. Sep 21, 2008

NoMoreExams

Use rational roots theorem, you only have 4 roots to try.