Chapters

Exercise 1

Given the matrices:

Solve the matrix equation:

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Jamie
£25
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Matthew
£30
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Petar
£40
/h
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Exercise 2

Given the matrices:

Solve the matrix equation:

Exercise 3

Given the matrices:

Solve the matrix equations:

Exercise 4

Given the matrices:

Solve the matrix equation:

Exercise 5

Solve the matrix equation:

Exercise 6

Solve the system using a matrix equation.

Exercise 7

Calculate A and B:

Exercise 8

Solve the following equations without developing the determinants.

1

2

Solution of exercise 1

1Given the matrices:

Solve the matrix equation:

there is the inverse

Solution of exercise 2

Given the matrices:

Solve the matrix equation:

there is the inverse

Solution of exercise 3

Given the matrices:

Solve the matrix equations:

1.

2.

3.

4.

5.

Solution of exercise 4

Given the matrices:

Solve the matrix equation:

Solution of exercise 5

Solve the matrix equation:

Solution of exercise 6

Solve the system using a matrix equation.

Solution of exercise 7

Calculate A and B:

Multiply the second equation by −2.

Multiply the first equation by 3 and add the equations:

Solution of exercise 8

Solve the following equations without developing the determinants.

1

2

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