Use mathematical induction to prove Theorem.TheoremThe
Chapter 9, Problem 45E(choose chapter or problem)
Problem 45E
Use mathematical induction to prove Theorem.
Theorem
The Addition Rule
Suppose a finite set A equals the union of k distinct mutually disjoint subsets A1, A2, …, Ak.…Then
N(A) = N(A1) + N(A2)+…+ N(Ak).
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