Question

if a = {23456} b ={2 3 4 5} and C ={4 56} then A -(BUC)​

Answer 1

Given ,

• A = {2,3,4,5,6}
• B = {2,3,4,5}
• C = {4,5,6}

» B U C = {2,3,4,5} U {4,5,6} = {2,3,4,5,6}

∴ A – ( B U C )

= {2,3,4,5,6} – {2,3,4,5,6}

${\leadsto}$ ϕ