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Please provide detailed answer will upvote. Discrete mathematics 3. Modern Coupling Suppose we have a group of n women and n men, all heterosexual and

Please provide detailed answer will upvote. Discrete mathematics

3. Modern Coupling

Suppose we have a group of n women and n men, all heterosexual and all strictly monogamous. How many ways are there to make n couples out of these 2n people?

Suppose we have 2n people, each of whom is bisexual but strictly monogamous. How many ways are there to make n couples out of these 2n people?

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