Can someone tell me a quick reason as to why $\langle x^2, xy,y^3\rangle$ is primary in $k[x,y,z]$?
I'm trying to read a solution and I don't get this.
Can someone tell me a quick reason as to why $\langle x^2, xy,y^3\rangle$ is primary in $k[x,y,z]$?
I'm trying to read a solution and I don't get this.