Find the polynomial $p∈P(\Bbb F)$ of lowest possible degree using Lagrange interpolation

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Let $\Bbb F=\Bbb Z_{11}$. Using Lagrange interpolation, find the polynomial $p∈P(\Bbb F)$ of lowest possible degree such that

$p([1])=[1], p([0])=[2], p([3])=[0].$

here is my work, I'm not sure if my calculation is right,I'm little confuse with mod calculate

mod11