A Sum of Complements
Difficulty: Easy · Topics: Discrete Mathematics, Sets, Complements
A, B, C and D are subsets of the universal set E and
n(A)+n(A')=9
n(B')=n(C)+n(D)
What is the sum n(B')+n(C')+n(D')?
Difficulty: Easy · Topics: Discrete Mathematics, Sets, Complements
A, B, C and D are subsets of the universal set E and
n(A)+n(A')=9
n(B')=n(C)+n(D)
What is the sum n(B')+n(C')+n(D')?