1.

The vector equation of the plane through the point \[2\mathbf{i}-\mathbf{j}-4\mathbf{k}\] and parallel to the plane \[\mathbf{r}.(4\mathbf{i}-12\mathbf{j}-3\mathbf{k})-7=0\] is  

A.   \[\mathbf{r}.(4\mathbf{i}-12\mathbf{j}-3\mathbf{k})=0\]
B.   \[\mathbf{r}.(4\mathbf{i}-12\mathbf{j}-3\mathbf{k})=32\]
C.   \[\mathbf{r}.(4\mathbf{i}-12\mathbf{j}-3\mathbf{k})=12\]
D.   None of these
Answer» C.   \[\mathbf{r}.(4\mathbf{i}-12\mathbf{j}-3\mathbf{k})=12\]


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