1.

A line with direction ratios (2, 1, 2) intersects the lines ¯¯¯r =−j+λ(i+j+k) and ¯¯¯r = −i+μ(2i+j+k) at A and B, then AB =

Answer»

A line with direction ratios (2, 1, 2) intersects the lines ¯¯¯r =j+λ(i+j+k) and ¯¯¯r = i+μ(2i+j+k) at A and B, then AB =




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