SOLUTION: X^3-6X^2+5X-1 find manually the domain

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Question 1047985: X^3-6X^2+5X-1 find manually the domain
Found 2 solutions by Edwin McCravy, ikleyn:
Answer by Edwin McCravy(20059)   (Show Source): You can put this solution on YOUR website!
There are no denominators which could equal zero.
There are no roots with even indices to cause any non-real results.

Therefore all real numbers can be substituted for x.

That's what the domain is, the set of all numbers that can be
substituted for x, so the domain is "ALL REAL NUMBERS", which 
is sometimes a fancy R like R,

or 

Edwin
Answer by ikleyn(52800)   (Show Source): You can put this solution on YOUR website!
.
The domain of any polynomial is the set of all real numbers.


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