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1. |
Find the vector equation of the plane passing through the point (2,1,-1) and normal to the plane is (2 hat{i}+ hat{j}-3 hat{k} )? |
A. | (( vec{r}-(2 hat{i}-7 hat{k})).(2 hat{i}+ hat{j}-3 hat{k}) )=0 |
B. | (( vec{r}-(2 hat{i}+3 hat{j}- hat{k})).(2 hat{i}-3 hat{k}) )=0 |
C. | (( vec{r}-( hat{i}+ hat{j}-3 hat{k})).(2 hat{i}+6 hat{j}-3 hat{k}) )=0 |
D. | (( vec{r}-(2 hat{i}+ hat{j}- hat{k})).(2 hat{i}+ hat{j}-3 hat{k}) )=0 |
Answer» E. | |