If a line is passing through two points (A(x_1,y_1,z_1) ) and (B(x_2,y_2,z_2) ) then which of the following is the vector equation of the line?

( vec{r}= vec{a}+ ( vec{b}+ vec{a}) )

( vec{r}= vec{a}+ ( vec{a}- vec{b}) )

( vec{r}= vec{a}+( vec{b}- vec{a}) )

( vec{r}= vec{a}+ ( vec{b}- vec{a}) )

If a line is passing through two points (A(x_1,y_1,z_1) ) and (B(x_2

1.	If a line is passing through two points (A(x_1,y_1,z_1) ) and (B(x_2,y_2,z_2) ) then which of the following is the vector equation of the line?
A.	( vec{r}= vec{a}+ ( vec{b}+ vec{a}) )
B.	( vec{r}= vec{a}+ ( vec{a}- vec{b}) )
C.	( vec{r}= vec{a}+( vec{b}- vec{a}) )
D.	( vec{r}= vec{a}+ ( vec{b}- vec{a}) )
Answer» E.

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