1.

If the line \(\frac{{x - 2}}{3} = \frac{{y + 1}}{2} = \frac{{z - 1}}{{ - 1}}\) intersects the plane 2x + 3y – z + 13 = 0 at a point P and the plane 3x + y + 4z = 16 at a point Q, then PQ is equal to:

A. 14
B. \(\sqrt {14}\)
C. \(2\sqrt 7\)
D. \(2\sqrt {14}\)
Answer» E.


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