Math Problem Statement
How many ways can a photographer in a wedding arrange 5 people in a row from a group of 10 people, where the bride and the groom are among these 10 people, if (a) the bride must be in the picture? (b) both the bride and groom must be in the picture? (c) exactly one of the bride or the groom is in the picture?
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Permutations
Combinations
Formulas
Combination formula: \( \binom{n}{r} = \frac{n!}{r!(n-r)!} \)
Permutation formula: \( n! = n \times (n-1) \times ... \times 1 \)
Theorems
Fundamental Principle of Counting
Permutation Theorem
Suitable Grade Level
Grades 9-12
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