Solution
Solution
+1
Solution steps
Find undefined (singularity) points
The function domain
Popular Examples
expand (z+1)^2simplify (x-2)/(4x)+(x+5)/(10x)simplify-8x-11xsimplify log_{10}(5/4)simplify (-8a^2+12ab-4b^2)/(b-a)
Frequently Asked Questions (FAQ)
What is the domain of f(x)=(x^3+4x^2-21x)/(x^3-9x) ?
The domain of f(x)=(x^3+4x^2-21x)/(x^3-9x) is x<-3\lor-3<x<0\lor 0<x<3\lor x>3