1.

Find the position vector of point R which divides the line joining two points P(2a + b) and Q(a - 3b) externally in the ratio 1 : 2. Also, show that P is the middle point of the line segment RQ.

Answer»

Find the position vector of point R which divides the line joining two points P(2a + b) and Q(a - 3b) externally in the ratio 1 : 2. Also, show that P is the middle point of the line segment RQ.



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