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1. Calculate the determinants
а) b) c)
2. Solve the given system of linear equations using a) Cramer’s Rule; b) matrix method; c) Gauss’ method. Compare the results:
3. Calculate the value of the following 2А-(А2 +В)В with given matrix A and B
where
4. Given the vertices of a triangular A(0;1;-1), B(1;-1;2), C(3;1;0). Find the projections of the following vectors on the coordinate axes and the angle В.
3. Calculate the area of the parallelogram formed on the following vectors
а =(-2;1;3), b =(3;1;1)
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