A) 7
B) -7
C) No real value
D) 4
Correct Answer: A
Solution :
[a] : The given line passes through (4, 2, k). Now, the line will lie in the plane \[2x-4y+z=7,\] if the point \[(4,2,k)\]lies on the plane. \[\therefore \]\[2\times 4-4\times 2+k=7\Rightarrow k=7\]You need to login to perform this action.
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