" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
n(a) = { 1,3,5,7,9}
n(b) = { 1,2,4,8}
n(anb) = { 1 }
n (aub) = (6,10,11,12,13,14}