(a) Show that the relation R defined on R R by (a, b) R (c, d) if
Chapter 8, Problem 8.75(choose chapter or problem)
(a) Show that the relation R defined on R R by (a, b) R (c, d) if |a|+|b|=|c|+|d| is an equivalencerelation.(b) Describe geometrically the elements of the equivalence classes [(1, 2)] and [(3, 0)].
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