Matematické Fórum

stuart clark · 18. 10. 2012 09:54

Let $a,b,c,d$ be four integers such that $ad$ is odd and $bc$ is even,

then $ax^3+bx^2+cx+d = 0$ has

options::

$(a)\;\;$ at least one irrational roots

$(b)\;\;$ all three rational roots

$(c)\;\;$ all three integral roots

$(d)\;\;$ none of these

BakyX · 18. 10. 2012 13:15

Autor skryl část textu. Zobrazit/skrýt!

stuart clark · 18. 10. 2012 17:18

Thanks ↑ BakyX:

I have Done exactly Same way..

actually I was searching for Genereal solution. ( Means without putting values of $a\;,b\;,c\;,d$ )

If You have any idea plz explain Here

Thanks

Matematické Fórum

#1 18. 10. 2012 09:54

4 degree equation

#2 18. 10. 2012 13:15

Re: 4 degree equation

#3 18. 10. 2012 17:18

Re: 4 degree equation

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