MCQOPTIONS
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MCQOPTIONS
| 1. |
Find the equation of the plane passing through three points (1,2,-1), (0,-1,2) and (3,1,1). |
| A. | (( vec{r}-( hat{i}+2 hat{j}- hat{k})).[(- hat{j}+2 hat{k}) (2 hat{i}- hat{j}+2 hat{k})] )=0 |
| B. | (( vec{r}-( hat{i}+2 hat{j}- hat{k})).[( hat{i}-3 hat{j}+3 hat{k}) (2 hat{i}- hat{j}+2 hat{k})] )=0 |
| C. | (( vec{r}-( hat{i}+2 hat{j}- hat{k})).[(3 hat{i}+ hat{j}+ hat{k}) (2 hat{i}- hat{j}+2 hat{k})] )=0 |
| D. | (( vec{r}-( hat{i}+2 hat{j})).[(- hat{i}-3 hat{j}+3 hat{k}) (2 hat{i}- hat{j}+2 hat{k})] )=0 |
| Answer» C. (( vec{r}-( hat{i}+2 hat{j}- hat{k})).[(3 hat{i}+ hat{j}+ hat{k}) (2 hat{i}- hat{j}+2 hat{k})] )=0 | |