Mathematics Homework Help
Mathematics Homework Help. associative/commutative properties
Let R2 denote the set {(a, b) : a, b (– R}. define operation x : R2 x R2 ⇥ R2 by
(a, b) x (c, d) = (a + c, 2 · b + 2 · d),
1. is operation x is associative or not.
2. is operation X is commutative or not
explain
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