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GR9768 Q 31
Posted: Tue Apr 06, 2010 2:59 pm
by mathQ
Which of the following CANNOT be the root of the polynomial in x of the form 9x^5 + ax^3 + b, where a and b are integers
A) -9
B) -5
C) 1/4
D) 1/3
E) 9
Re: GR9768 Q 31
Posted: Tue Apr 06, 2010 3:00 pm
by EugeneKudashev
answer is C, 1/4. refer to rational roots theorem.
Re: GR9768 Q 31
Posted: Tue Apr 06, 2010 3:06 pm
by mathQ
EugeneKudashev wrote:answer is C, 1/4. refer to rational roots theorem.
Awesome !!
It did not click me !!!
Re: GR9768 Q 31
Posted: Tue Apr 06, 2010 3:13 pm
by EugeneKudashev
yeah man
it is
cheers. you sit on saturday too?
Re: GR9768 Q 31
Posted: Tue Apr 06, 2010 11:01 pm
by speedychaos4
EugeneKudashev wrote:yeah man
it is
cheers. you sit on saturday too?
Hey man, I'm gonna sit on Sat. But I don't have too much knowledge about abstract algebra and topology right now, so I'm really stressed out...