creatzagl creatzagl

09-01-2023
Mathematics

contestada

2. Pe mulţimea R se consideră legea de compozitie xo y = 2xy-x-y+1, Vx, ye R.
a) Să se arate că
b)
c)
xoy=xy+(1-x)(1-y).
Să se arate că legea este asociativă.
Să se rezolve ecuația xo(1-x) = 0.
Ma poate ajuta cineva va rog?

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