SOLUTION: Which numbers cannot be used in place of the variable in the rational expression?
3x/x^2+1
Algebra.Com
Question 402239: Which numbers cannot be used in place of the variable in the rational expression?
3x/x^2+1
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
That depends.
Did you mean:
or
In the first case the domain is all real numbers. In the second case the domain is all real numbers excluding zero.
John
My calculator said it, I believe it, that settles it
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