Question

if n (A) =20, n (AΠB) =5 then N(A-B) =—​

Answer 1

Answer:

n(A-B) = n(A) - n(AΠB)

= 20 - 5

= 15

Answer 2

Step-by-step explanation:

n(A) -n(AΠB)

=20-5

=15

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