If line r =( i -2 j - k )+ (2 i + j +2 k ) is parallel to the plane r (3 i -2 j - m k )=4…
Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry
If line \(\vec{r}=(\hat{i}-2 \hat{j}-\hat{k})+\lambda(2 \hat{i}+\hat{j}+2 \hat{k})\)is parallel to the plane \(\overrightarrow{\mathrm{r}} \cdot(3 \hat{\mathrm{i}}-2 \hat{\mathrm{j}}-\mathrm{m} \hat{\mathrm{k}})=4\) then the value of m is
- + 2
- – 2
- 0
- can not be predicted with this much informations
Answer
(A) + 2
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