15-02-2018
Mathematics

contestada

find the intersection and union for L={-1,1,2} I={-1,3,7}

Respuesta :

graceomega graceomega

15-02-2018

Intersection means elements both have. Both sets have -1 but they have nothing else in common so the intersection is {-1}
Union means combining the sets so {-1, 1, 2, 3, 7} Note that I only wrote 1 twice. No duplicates allowed!

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