The angle between the line→r=(2^i+3^j+9^k)+λ(2^i+3^j+4^k) and the p – InterviewSolution

1.	The angle between the line→r=(2^i+3^j+9^k)+λ(2^i+3^j+4^k) and the plane x+y+z=5 is sin−1k√3√29, then k is
Answer» The angle between the line $\to r = (2^i + 3^j + 9^k) + λ (2^i + 3^j + 4^k)$ and the plane $x + y + z = 5$ is ${sin}^{- 1} \frac{k}{\sqrt{3} \sqrt{29}},$ then $k$ is

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