Question

If A={1, 2, 3, 4} B={1, 2, 3}, then A-B=_______.

Answer 1

Answer:

the answer is 4

I think this is the write answer

Answer 2

Answer:

A-B = {4}.

Step-by-step explanation:

Given,

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

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

A-B = {4}

:.A-B = {4}.