Question

if a={1,4,5,6} ; B={1,2,3,4,5} then find A-B​

Answer 1

Answer:

a-b= {6}

Step-by-step explanation:

a-b means which is in a but not in b

Answer 2

Answer:

{6}

Step-by-step explanation:

A-B means the elements which are in A but not in B

{1,4,5,6} - {1,2,3,4,5}

= {6}