1. Calculate the product A·B of the two matrices defined below:

2. Calculate the product A·B of the two matrices defined below:

3 - 5. Give the matrix A defined below, calculate A^{2}, A^{3} and A^{n}, where *n* is a natural number.

6. Find the values of the real numbers *a* and *b*, if the matrices A and A^{2} are defined below:

7. Find all values of *x*, x∈[0 , 2¶] that satisfy the equality below:

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