creatzagl creatzagl

07-01-2023
Mathematics

contestada

2. Pe mulţimea Z se consideră operațiile algebrice x+y=px+y+2 şi xoy=x+y-2,
vx, ye Z şi funcţia f:Z-Z, f(x)=3x+q, unde p, qe Z.
a) Să se determine p pentru care operația "*" este comutativă.

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