Question

if A and B are two disjoint sets with n (A)=4 and n(B)=2.Find n ( A-B).​

Answer 1

Answer:

2

Step-by-step explanation:

n(a) = 4 ; n = 2, a = 2

n(b) = 2 ; n = 2, b = 1

Q. Find n(a-b).

= 2(2-1)

= 2 × 1

= 2 ans.

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