   Chapter 9.3, Problem 12ES ### Discrete Mathematics With Applicat...

5th Edition
EPP + 1 other
ISBN: 9781337694193

#### Solutions

Chapter
Section ### Discrete Mathematics With Applicat...

5th Edition
EPP + 1 other
ISBN: 9781337694193
Textbook Problem
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# (a) How many ways can the letters of the word THEORY be arranged in a row? (b) How many ways can the letters of the word THEORY be arranged in a row if T and H must remain next to each other as either TH or HT?

To determine

(a)

To find how many ways can the letters of the word THEORY be arranged in a row.

Explanation

Given information:

THEORY

Concept used:

P(n,r)=n!nr!

Calculation:

The word T<

To determine

(b)

To find how many ways can the letters of the word THEORY be arranged in a row if T and H must remain next to each other as either TH or HT.

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