Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  CBSE XII  >>  Math  >>  Model Papers
0 votes

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

Can you answer this question?

1 Answer

0 votes
Let $\overrightarrow{OL}=2\overrightarrow{a}-\overrightarrow{b}$
$\overrightarrow{OM}=\overrightarrow{a}+2\overrightarrow{b} \qquad ratio=2:1$
$=\large\frac{2\overrightarrow{a}+4\overrightarrow{b}-2 \overrightarrow{a}+ \overrightarrow{b}}{1}$
answered Mar 24, 2013 by meena.p

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App