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arrow_back Which of the following is the direction vector of the line $$ \left\{\begin{array}{l} -x=2+t \\ y=-1-t, t \in R \\ z=t \end{array}\right. $$

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in Mathematics
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Which of the following is the direction vector of the line $$ \left\{\begin{array}{l} -x=2+t \\ y=-1-t, t \in R \\ z=t \end{array}\right. $$

 

A. $(-2,-2,2)$

B. $(2,-1,0)$

C. $(0,-1,1)$

D. $(-1,1,1)$

E. $(1,-1,1)$

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