Some one please tell me how u do the Q7(ii) in nov 2010 p31
i dont kow why im so stuck on it!!
SOMEONE PLEASE HELP!!
heres the question :::
With respect to the origin O, the points A and B have position vectors given by OA = i + 2j + 2k and OB = 3i + 4j. The point P lies on the line AB and OP is perpendicular to AB.
(i) Find a vector equation for the line AB. [1]
(ii) Find the position vector of P. [4]
(iii) Find the equation of the plane which contains AB and which is perpendicular to the plane OAB, giving your answer in the form ax + by + cß = d. [4]
i dont kow why im so stuck on it!!
SOMEONE PLEASE HELP!!
heres the question :::
With respect to the origin O, the points A and B have position vectors given by OA = i + 2j + 2k and OB = 3i + 4j. The point P lies on the line AB and OP is perpendicular to AB.
(i) Find a vector equation for the line AB. [1]
(ii) Find the position vector of P. [4]
(iii) Find the equation of the plane which contains AB and which is perpendicular to the plane OAB, giving your answer in the form ax + by + cß = d. [4]
