Find the distance of the point (2, 12, 5) from the point of infersection of the line vec r = 2 hat i - 4 hat j + 2 h

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Q 2616012879.     Find the distance of the point (2, 12, 5) from the point of infersection of the line

vec r = 2 hat i - 4 hat j + 2 hat k + lamda ( 3 hat i + 4 hat j + 2 hat k ) and the plane  vecr * ( hat i - 2 hat j + hat k) = 0`
CBSE-12th 2014

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