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Topic: How can I know how many real roots this polynomial has?
Replies: 1   Last Post: Jan 16, 2013 10:27 AM

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Rafael Chavez

Posts: 3
Registered: 1/10/13
How can I know how many real roots this polynomial has?
Posted: Jan 10, 2013 1:01 AM
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Let x^7?10x^5+15x+5 a polynomial over Q. I would like to know how many real roots this polynomial has, I know we have to use the intermediate value theorem, but I don't know how to use in this case in particular.

I need help please.

Thanks



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