A line passing through the point A with position vector vec a = 4 hat i + 2 hat j + 2 hat k is parallel to the vector

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Q 2611201120.     A line passing through the point A with position vector vec a = 4 hat i + 2 hat j + 2 hat k is parallel to the vector vec b = 2 hat i + 3 hat j + 6 hat k. Find the length of the perpendicular drawn on this line from a point P with vector vec r_1 = hat i + 2 hat j + 3 hat k
CBSE-12th 2015

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