If the position vectors of the points A and B respectively are i+2j-3k and j-k find the direction cosines of AB

If vec a=4hat i-3hat j and vec b=-2hat i+5hat j are the position vectors of the points A and B respectively find (i) the position vector of the middle point of the bar(AB)

If the position vectors of the points A and B are 3i+j+2k and i-2 j-4k respectively, then the equation of the plane through B and perpendicular to AB is

If the position vectors of A and B are 3i - 2j + k and 2i + 4j - 3k then |vec(A)B|

The position vectors of the points A and B are 3hat i-hat j+7hat k and 4hat i-3hat j-hat k; find the magnitude and direction cosines of bar(AB)

The position vectors of the points A and B are 3hat i-hat j+7hat k and 4hat i-3hat j-hat k; find the magnitude and direction cosines of vec AB .

If the position vectors of A and B are 3i-2j+k and 2i+4j+3k then |vec AB| =

If the position vectors of A and B are 3i - 2i + k and 2i + 4j - 3k then the length of AB is