this is just the geometric version of this question, that i've already answered.
Hello, I was wondering if someone could give me a hint about where to start with the following problem. Any help would be appreciated.
(definitions)
Let be an algebraically closed field. Then let be ideals. Then let , i.e. algebraic sets. The ideal of is .
(problem)
give an example to show that
this is just the geometric version of this question, that i've already answered.