Hellow guys, Welcome to my website, and you are watching Given n(U)=20,n(A)=12,n(B)=9,n(A∩B)=4, where U is the universal set, A and B are subsets of U, then. and this vIdeo is uploaded by Math Master - Impetus Gurukul at 2021-08-28T00:04:59-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.