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2. a. Find a generating function for ar the number of difffferent arrangements of r books...

2. a. Find a generating function for ar the number of difffferent arrangements of

r books into four difffferent boxes with at least one book in the fifirst box.

b. Use part a to fifind the number of arrangement for 5 books with the above

condition.

Math   Statistics-And-Probability   
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