Question

14) A ∩ A| = --------- *​

Answer 1

Answer:

{ }

Step-by-step explanation:

if,

U={ 1,2,3,4,5,6,7,8,9}

A={1,2,3}

Threfore, A' = U-A={1,2,3,4,5,6,7,8,9} -{1,2,3}

                    = { 4,5,6,7,8,9}

So A∩A'= {1,2,3} ∩ {4,5,6,7,8,9}

            ={ }