Question

if A=(2, 4,6)andB=(123)then n(AuB) ​

Answer 1

Answer:

A={2, 4,6}

B={1, 2,3}

N(AUB) ={2, 4,6}U{1, 2,3}

N(AUB) ={1,2,3,4,6}

N(AUB) ={5}