题目内容
已知向量
=(3,5,1),
=(2,2,3),
=(4,-1,-3),则向量2
-3
+4
的坐标为______.
a |
b |
c |
a |
b |
c |
∵
=(3,5,1),
=(2,2,3),
=(4,-1,-3),
∴向量2
-3
+4
=2(3,5,1)-3(2,2,3)+4(4,-1,-3)
=(16,0,-19)
故答案为:(16,0,-19).
a |
b |
c |
∴向量2
a |
b |
c |
=2(3,5,1)-3(2,2,3)+4(4,-1,-3)
=(16,0,-19)
故答案为:(16,0,-19).
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