Cho v=(-2;1) và đường thẳng (d):2x-y-1=0. Ảnh của (d) qua T. là (d') có dạng
A. 2x - y+4=0.
...
Mathematics, 02.08.2021 18:50 hannahbrown889
Cho v=(-2;1) và đường thẳng (d):2x-y-1=0. Ảnh của (d) qua T. là (d') có dạng
A. 2x - y+4=0.
B. x - y +2 = 0.
C. 2x+y+4=0.
D. 2x - y-4=0.
Answers: 2
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