alexl2x alexl2x

25-06-2016
Mathematics

contestada

true or false

the value -1is a lower bound for the zeros of the function shown below

F(x)=x^4+x^3-11x^2-9x+18

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Johhnyboii Johhnyboii

25-06-2016

f(x)=x^4+x^3-11x²-9x+18=(x+2)(x+3)(x-3)(x-1)

-3 is the lowest zero

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