1.

The position vector of the point where the line \[\mathbf{r}=\mathbf{i}-\mathbf{j}+\mathbf{k}+t(\mathbf{i}+\mathbf{j}+\mathbf{k})\]meets the plane \[\mathbf{r}.(\mathbf{i}+\mathbf{j}+\mathbf{k})=5\]is [Kerala (Engg.) 2005]

A. \[5\mathbf{i}+\mathbf{j}-\mathbf{k}\]
B. \[5\mathbf{i}+3\mathbf{j}-3\mathbf{k}\]
C. \[2\mathbf{i}+\mathbf{j}+2\mathbf{k}\]
D. \[5\mathbf{i}+\mathbf{j}+\mathbf{k}\]
E. \[4\mathbf{i}+2\mathbf{j}-2\mathbf{k}\]
Answer» C. \[2\mathbf{i}+\mathbf{j}+2\mathbf{k}\]


Discussion

No Comment Found

Related MCQs