Johana Milena

Valero Angel Serrano Mercadal respondió: · 1) AUB = {x€R | senx=cosx o tanx ≤ 1} A-B = {x€R | senx=cosx y tanx > 1} · 2) AUB = {x€R | [x+1] < 12 o [x-4] ≥ 2] A-B = {x€R | [x+1} < 12 y [x-4] < 2} · 3) AUB = {y€R | y=4x o y≤100} = R A-B = {y€R | y=4x y y >100} = {y€R | y>100} Y eso es todo,...