Explanation Given: The given figure is shown below. Figure ( 1 ) Approach: The pattern for the solution is stated below. Figure ( 2 ) Calculation: Rows 2 and 3 contain digit 8, so 8 must be placed in (1, 9). Similarly rows 2 and 3 contain digit 6, so 6 must go in square (1, 8). 3 must be placed in (2, 7) as row 3 already contain 3. 7 must go in (3, 8) because column 9 contain a 7, and also 9 must be placed in (3, 9) in order to complete box 3. Similarly, 7 must be placed in (8, 7) since rows 7 and 9 contain 7, 7 must be placed in (2, 6) as in row 2 three digits are remaining. 8 in (5, 7), 6 in (6, 7) and 9 in (4, 7) to fill column 7. 7 must go in (1, 2) as rows 2, 3 and columns 1, 3 already have 7, 6 can also be placed in (5, 2). Place 3 in (4, 2) since row 6 and columns 1, 3 contain 3; 1 must be placed in (2, 4) in order to complete box 2. 9 must be placed in (2, 3) to fill row 2. The following figure is obtained after entering the above numbers Figure ( 3 ) Similarly, complete column 6 by placing 3 in (1, 6). 2 must be placed in (8, 6) as it is the remaining digit in the respective row and column. 1 must go in (5, 6), 8 in (9, 6). This completes column 6. Digit 4 must be placed in (8, 3), digit 5 in (5, 3), 9 in (8, 4) to fill row 8

8th Edition

ISBN: 9781305104174

Author: David B. Johnson, Thomas A. Mowry

Publisher: Cengage Learning

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Chapter 1.1, Problem 62E

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The solution of the Sudoku puzzle.

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Chapter 1.1, Problem 61E

Chapter 1.1, Problem 63E

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The solution of the Sudoku puzzle.

Solution Summary: The author explains the solution of the Sudoku puzzle in Figure (1).

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To find:

The solution of the Sudoku puzzle.