Question

If A={1,2},B={3,4} c={4,5}then A-B is

Answer 1

Answer:

Step-by-step explanation:

A-B =

{1,2}

Set A itself

Answer 2

A-B means the elements in A but in B called

A-B

A={1,2}

B={3,4}

C={4,5}

A-B={1,2}-{3,4}

A-B={1,2}
A-B=A