Q. The direction ratios of the line which is perpendicular to the lines $\frac{x-7}{2} = \frac{y+17}{-3} = \frac{z-6}{1}$ and $ \frac{x+5}{1} = \frac{y+3}{2} = \frac{z-4}{-2}$ are
Introduction to Three Dimensional Geometry
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