Find the distance of the point (1,-2,9) from ...

CBSE Class 12 Math 2022 (Term II) Outside Delhi Set 1 Solved Paper

Question : 13 of 14

Marks: +1, -0

Find the distance of the point

(1,-2,9)

from the point of intersection of the line

\vec{r}=4\hat{i}+2\hat{j}+7\hat{k}+\lambda(3\hat{i}+4\hat{j}+2\hat{k})

and the plane

\vec{r}\cdot(\hat{i}-\hat{j}+\hat{k})=10

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