MCQ
If the line $\bar{r}=(\hat{i}-2 \hat{j}+3 \hat{k})+\lambda(2 \hat{i}+\hat{j}+2 \hat{k})$ is parallel to the plane $\bar{r} \cdot(3 \hat{i}-2 \hat{j}+m \hat{k})=10$, then value of $m$ is $\qquad$
- A-2
- B2
- C$\pm 2$
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