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Question: Answered & Verified by Expert
If the line \(\frac{x-4}{1}=\frac{y-2}{1}=\frac{z-k}{2}\) lies in the plane \(2 x-4 y+z=7\), then the value of \(k\) is
MathematicsThree Dimensional GeometryBITSATBITSAT 2009
Options:
  • A 4
  • B -7
  • C 7
  • D No real value
Solution:
2942 Upvotes Verified Answer
The correct answer is: 7
The point \((4,2, k)\) on the line also lies on the plane \(2 x-4 y+z=7\)
So, \(8-8+\mathrm{k}=7 \Rightarrow \mathrm{k}=7\)

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