# Math Help - vectors

1. ## vectors

Which statement is correct and why?

$\vec a + \vec b + \vec c= 0$
OR
$\vec a + \vec b + \vec c= \vec 0$

2. Originally Posted by u2_wa
Which statement is correct and why?

$\vec a + \vec b + \vec c= 0$
OR
$\vec a + \vec b + \vec c= \vec 0$
Second statement is correct, because it is a vector addition. And it should be equal to a null vector, if they represent the three sides of a triangle.