logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class12  >>  Vector Algebra
0 votes

If $\overrightarrow a$ is a non zero vector with magnitude $a$ and $\lambda a$ is a non zero scalar then $\lambda\overrightarrow a$ is a unit vector if $\lambda=?$

Can you answer this question?
 
 

1 Answer

0 votes
Given $|\lambda \overrightarrow a|=1$
$\Rightarrow\:|\lambda|.|\overrightarrow a|=1$
$\Rightarrow\:|\lambda|=\large\frac{1}{a}$
$or\:\:\lambda=\pm \large\frac{1}{a}$
answered Oct 28, 2013 by rvidyagovindarajan_1
 

Related questions

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