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- - **the zero set of an ideal**
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the zero set of an idealGiven Find the zero set By definition : So I show that we must have and from this hence right? |

Re: the zero set of an idealIt seems to me your zero-set is too small. For example, what about (0,0,c), (0,b,0) or (a,0,0)? Surely every element of J annihilates all of those.... |

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