Question

If U= {1,2,3,4,5} , A = {4,5} find B???

kindly tell me fast tomorrow is submission day waiting ​

Answer 1

Answer:

B = {1,2,3} ( not sure tho, sorry)

Answer 2

U={1,2,3,4,5}

A={2,4,5}

A′ =U−A

A′ ={1,2,3,4,5}−{2,4,5}

∴A′ ={1,3}

Class 9th