EX 4B The table is given 1 1 4 Σ;)=(2 -2 1 A = (Σ, Σ, Σ, Σ, -1 22 5 3 2 -4 -3 -7. From the vectors E₁, E2, E3 Kai E4 of the d. space R³, choose three so that they constitute a basis of R³. Then express the vector Σs of R³ as a linear combination of the vectors you have chosen.

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