A relation R on R² is defined by ((x1, y1), (2, 2)) R if Prove that R is an equivalence relation. (b) Let d3=1 Determine the equivalence class [(0, d3 + 1)], and illustrate it with a sketch. (c) Find all other equivalence classes, and explain why the ones you give are all the equivalence classes. x² − Y₁ = x² — Y2.

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