Q 1403080848.     The value of `k` for which the line `(x-4)/1=(y-2)/1=(z-k)/2` lies in the plane `2x- 4y + z = 7` is



HINT

Since `(2) (1) + (-4) (1) + (1) (2) = 0` the line is parallel to the plane. It will lie in the plane if the point `(4, 2, k)` lies on the plane.

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