Q. 105.0( 1 Vote )

L and M are two points with position vectors 2a-b and a+2b respectively. Write the position vector of a point N which divides the line segment LM in the ratio 2:1 externally.

Answer :

Formula:- if vector and is divided by point N into m:n ratio



Given:-




Position vector of N which divides LM into 1:2


Let m:n = 2:1


Using Position vector formula





Position vector of N which divides LM into 2:1


Position vector







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