Question

Let X={a, e, i, o, u}and Y={a, g, o, f}. Verify that n(A-B) = n(A) - n(AnB)

Answer 1

Answer:

3=3

n(A-B)=n(A)-n(AnB)

Step-by-step explanation:

A-B=e,i,u

n(A-B)=3

n(A)=5

A intersection B= a ,o

n(AnB)=2

n(A-B)=n(A)-n(AnB)

3=5-2

3=3

hence it is verified.