Question

A = {1, 2, 3, 4, 5}​

Answer 1

Answer:

so what we should do???

Answer 2

Step-by-step explanation:

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

{3, 4}=x

A={1, 2, x, 5}

3, 4 is in {3, 4} but not inA

so{3, 4} is not a subset of a

plez follw me and mark as a brainlist