Question

for any two sets A and B prove that A'-B' =B-A​

Answer 1

Answer:

Step-by-step explanation:

A' = U-A and B'= U-B (by definition, where U= Universal set)

Now, A'-B' = (U-A)-(U-B) = U-A-U+B = U-U+B-A= B-A (Please consider + sign as union of sets)