Question

n(A-B) is equal to 


1.) n(A)-n(B)

2.) n(A)-n(A∪B)

3.) n(A∪B)-n(A∩B)

4.) n(A)-n(A∩B)

​

Answer 1

Answer:

(nA) - (nB)

Step-by-step explanation:

hope its help

Answer 2

Answer:

4. n(A) - n(A intersection B)