The operation Δ is defined on the set T = {2, 3, 5, 7} by xΔy=(x+y+xy)mod8.
(i) Construct modulo 8 table for the operation Δ on the set T.
(ii) Use the the table to find: (a) 2Δ(5Δ7) ; (b) 2Δn=5Δ7.?
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Asked by Alex Baba on 1st January, 2020
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