How many ways exist to arrange 7 books (A, B, C, D, E, F, and G on the shelf,  if the books B and

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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How many ways exist to arrange 7 books (A, B, C, D, E, F, and G on the shelf, 
if the books B and D must be arranged separately? 

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