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Get Full Access to Mathematics: A Discrete Introduction - 3 Edition - Chapter 25 - Problem 25.8
Get Full Access to Mathematics: A Discrete Introduction - 3 Edition - Chapter 25 - Problem 25.8

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# The squares of an 8 8 chess board are colored black or white. For this problem, an ISBN: 9780840049421 447

## Solution for problem 25.8 Chapter 25

Mathematics: A Discrete Introduction | 3rd Edition

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Problem 25.8

The squares of an 8 8 chess board are colored black or white. For this problem, an L-region is a collection of 5 squares in the shape of a capital L. Such a region includes a square (the corner of the L) together with the two squares above and the two squares to the right. Two L-regions are shown in the figure. Prove that no matter how we color the chess board, there must be two L-regions that are colored identically (as illustrated by the two L-regions in the figure).

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L21 - 5 2) If the camera to rocket distance is changing at 750 ft/sec when the rocket is 4000 ft high, at what rate is the angle between the tip of the rocket and the camera’s line of sight changing at that time camera lauch pad

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##### ISBN: 9780840049421

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