Solution
Solution
+1
Solution steps
Find undefined (singularity) points
The function domain
Popular Examples
expand (z-1/z)^2expand (k(2k+1)(4k+1))/3+(2(k+1))^2expand (x-5/4)^2+3expand (xsin(θ)+ycos(θ))^2expand (((-1-sqrt(41)))/2)^4
Frequently Asked Questions (FAQ)
What is the domain of f(n)=(-1)^{n+1}(1+1/(n^2)) ?
The domain of f(n)=(-1)^{n+1}(1+1/(n^2)) is n<0\lor n>0