If the lines (x – 1)/(–3) = (y – 2)/(2k) = (z – 3)/2 and (x – 1)/(3k) = (y – 1)/1 = (z – 6)/(–7) are perpendicular to each other, find the value of k and hence write the vector equation of a line perpendicular to these two lines and passing through the point (3, –4, 7).
Find the distance between the following parallel lines: r→ = (2î + ĵ − k̂) + λ(î + ĵ − k̂) r→ = (î − 2ĵ + k̂) + μ(î + ĵ − k̂)
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