Solution
Solution
+1
Solution steps
Find undefined (singularity) points
The function domain
Popular Examples
Frequently Asked Questions (FAQ)
What is the domain of f(x)=(x^2+18x+81)/(x^2-81) ?
The domain of f(x)=(x^2+18x+81)/(x^2-81) is x<-9\lor-9<x<9\lor x>9