TRONG KHÔNG GIAN $ OXYZ$, CHO $ \VEC A = \LEFT( {1;2; – 3} \RIGHT)$; $ \VEC B = \LEFT( { – 2;2;0} \RIGHT)$. TỌA ĐỘ VECTƠ $ \VEC C = 2\VEC A – 3\VEC B$ LÀ
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Level:
Medium
Question Types: Multiple choice
Answers:
- $ \\\vec c = \\\left( {8; - 2; - 6} \\\right)$.
- $ \\\vec c = \\\left( {4; - 1; - 3} \\\right)$.
- $ \\\vec c = \\\left( {4; - 2; - 6} \\\right)$.
- $ \\\vec c = \\\left( {2;1;3} \\\right)$.