B2.10
Let be the rational map given by : . Determine whether is defined at the following points: .
Let be the curve defined by . Define a bijective morphism . Prove that is not an isomorphism.
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B2.10
Let be the rational map given by : . Determine whether is defined at the following points: .
Let be the curve defined by . Define a bijective morphism . Prove that is not an isomorphism.