Ответ:
Пошаговое объяснение:
a = (4; -8; 4) → (1/2)a = (2, - 4, 2)
b = (0, 2, 4) → 2b = (2·0, 2·2, 4·2) = (0, 4 , 8)
a + 2b = ( 4+0, -8+4, 4+8) = (4, -4, 12)
(1/2)a + 2b = ( 2+0, -4+4, 2+8) = (2, 0, 10)
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Ответ:
Пошаговое объяснение:
a = (4; -8; 4) → (1/2)a = (2, - 4, 2)
b = (0, 2, 4) → 2b = (2·0, 2·2, 4·2) = (0, 4 , 8)
a + 2b = ( 4+0, -8+4, 4+8) = (4, -4, 12)
(1/2)a + 2b = ( 2+0, -4+4, 2+8) = (2, 0, 10)