In Exercises 25-38, use elementary row or column operations toevaluate the determinant.7 -3||125. 1|126. 2|1 -211|31–1-2481||2 -127. 13 -1 -3-4 -2328.113|-1-1|3 -2||330. 0 -516487|29.5414-2315 -8|432. 8532|31.974-5-8785-7-4512776 -533.– 334.146.31-27434102.924 74,4 630

25. 17-3131481 By solving using row operations - add -1 times the 1st row to the 2nd row -then Add…

In Exercises 25-38, use elementary row or column operations to evaluate the determinant. 7 -3| |1 25. 1 |1 26. 2 -1 7 1 3 -2 14 8 1 - - 1 3 -1 -3 -4 -2 -1 27. 1 3 2 28. -1 1 3| 3 -2 -71 3 30. 0 -5 4 29. 5 4 1 4 -2 3 5 -8 9. 4 -8 5| 31. 7 4 32. 8 -5 3 7 |8 5 2| 5 6 -5 14 -7 -4 2 6 33. 3 2 7 34. 6. 3 1 -2 10 7 17 3 4 10 7 46 9247 4, 973 4 11 1. 2.

In Exercises 25-38, use elementary row or column operations to evaluate the determinant. 7 -3| |1 25. 1 |1 26. 2 -1 7 1 3 -2 14 8 1 - - 1 3 -1 -3 -4 -2 -1 27. 1 3 2 28. -1 1 3| 3 -2 -71 3 30. 0 -5 4 29. 5 4 1 4 -2 3 5 -8 9. 4 -8 5| 31. 7 4 32. 8 -5 3 7 |8 5 2| 5 6 -5 14 -7 -4 2 6 33. 3 2 7 34. 6. 3 1 -2 10 7 17 3 4 10 7 46 9247 4, 973 4 11 1. 2.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.

Question

In Exercises 25-38, use elementary row or column operations to
evaluate the determinant.
7 -3|
|1
25. 1
|1
26. 2
|1 -2
1
1|
3
1
–1
-2
4
8
1|
|2 -1
27. 1
3 -1 -3
-4 -2
3
28.
1
1
3|
-1
-1|
3 -2|
|3
30. 0 -5
16
4
8
7|
29.
5
4
1
4
-2
3
1
5 -8
|4
32. 8
5
3
2|
31.
9
7
4
-5
-8
7
8
5
-7
-4
51
2
7
7
6 -5
33.
– 3
34.
14
6.
3
1
-2
7
4
3
4
10
2.
924 7
4,
4 630

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