The vectors are , .
Since , The dot product of the vectors is and
The vectors are parallel
The vectors are parallel.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=504a417a36f89fad7279400a05a3fb6f.png\")
, ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=01872ac505b38b36889b5742855e3ed1.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bafe7fb99587114b2aa4d51561b3a2d8.png\")
, The dot product of the vectors is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d451b3c8e511d0c00f2775988b99358d.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dbcca50fc52720c42f6b32622cf8268a.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")