Places of $\mathbb C(t)[W]/(W^2-h)$ containing $\mathbb C[t]$ correspond bijectively to the points of $w^2=h(t)$

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Places of $\mathbb C(t)[W]/(W^2-h)$ containing $\mathbb C[t]$ correspond bijectively to the points of $w^2=h(t)$ · Prove2Me