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Wspolrzedne wektora AB
AB=[1-(-6);2-4]
AB=[7; -2]
wspol.wektoraBC
BC=[5-1;3-2]=[4;1]
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wspolrzedne sumy wektorow
b) AB+BC=[7;-2]+[4;1]
AB+BC=[7+4;(-2)+1]
AB+BC=[11; -1]
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c) IABI=√7²+(-2)²
IABI=√49+4 cale sumy sa pod pierwiastkiem
IABI=√53