Question: For A = R2, define R on A by (x1, y1) R (x2, y2) if x1 = x2. (a) Verify that R is an equivalence

For A = R2, define R on A by (x1, y1) R (x2, y2) if x1 = x2.
(a) Verify that R is an equivalence relation on A.
(b) Describe geometrically the equivalence classes and partition of A induced by R.

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