Consider a set of n + m balls of which n are red and m are...

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Consider a set of n + m balls of which n are red and m are...

Consider a set of n + m balls of which n are red and m are blue. Assume that all red balls and all blue balls are indistinguishable. How many different linear orderings are there for which no two red balls are adjacent?

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math Statistics-And-Probability

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Answer 1

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Answer 2

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