Question

R={X/X ∈ N, ∧ x ∠6}
Q={X/X∈N,∧ x es divisor de 12}
calcular (RΔS)

Answer 1

R=1,2,3,4,5
Q=1,2,3,4,6,12
RΔS=5, 6,12(la union, menos la interseccion)