Ответ:
(-9; 7)
Объяснение:
1/2 c = (-6/2; 8/2) = (-3; 4)
3 d = (3*2; 3*(-1)) = (6; -3)
1/2c - 3d = (-3-6; 4-(-3)) = (-9; 7)
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Ответ:
(-9; 7)
Объяснение:
1/2 c = (-6/2; 8/2) = (-3; 4)
3 d = (3*2; 3*(-1)) = (6; -3)
1/2c - 3d = (-3-6; 4-(-3)) = (-9; 7)