Question

y of A = {7,8,9,10} and B = {1,2,3,4)
find AUB, AnB . A-B and B-A
then​

Answer 1

Answer:

Step-by-step explanation:

AuB={ 7,8,9,10 } u {1,2,3,4}

      = { 1,2,3,4,7,8,9,10}

AnB={7,8,9,10 } n {1,2,3,4}

      ={ }

A-B={7,8,9,10 } - {1,2,3,4}

      ={7,8,9,10 }

B-A= {1,2,3,4} - {7,8,9,10 }

      = {1,2,3,4}