Question

determinati elementele multimilor:A={x apartine lui Z|8/4 apartine lui Z},B={x apartne lui Z|4/2x+1 apartine lui Z},C={x apartine lui Z|12/4x-2 apartine lui Z}

Answer 1

A={2}
B={2,3,4,5,6,...}
C={2,3,4,...}