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Question
Fill in the blank:
The empty set is a ____ of every set.
Solution
The empty set is a subset of every set.
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Fill in the blank:
If A is a proper subset of B, then n (A) _____ n (B).
M = {x : x is a natural number between 0 and 8) and N = {x : x is a natural number from 5 to 10}. Find: M – N and n(M – N)
M = {x : x is a natural number between 0 and 8) and N = {x : x is a natural number from 5 to 10}. Find: N – M and n (N – M)
Let n(A) 30, n(B) = 27 and n(A∪B) = 45, find: n(A ∩ B).
Let n(A) 30, n(B) = 27 and n(A∪B) = 45, find: n(B - A).
