Odpowiedź:
|A| = = 1*1*2 + 2*(-1)*1 + 3*(-2)*(-1) - 1*1*3 - (-1)*(-1)*1 - 2*(-2)*2 = 10
|Ay| = = 1*1*7 + 2*2*4 + 3*1*3 - 4*1*3 - 3*2*1 - 7*1*2 = 0
y = = = 0
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Odpowiedź:
|A| = = 1*1*2 + 2*(-1)*1 + 3*(-2)*(-1) - 1*1*3 - (-1)*(-1)*1 - 2*(-2)*2 = 10
|Ay| = = 1*1*7 + 2*2*4 + 3*1*3 - 4*1*3 - 3*2*1 - 7*1*2 = 0
y = = = 0