Apply formula: \ \
Given that: and x=1+2 t, y=2-t, z=3 t .
so values of a, b, c is 2, -1, 3
substitute each value in the formula
hence the result is
\ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ddd941b6633d318ac5658c84dd73b21.png\")
\ \
\ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5801ad042892a36178e9295b15a3162a.png\")
and x=1+2 t, y=2-t, z=3 t .![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8113412e721cb5b2331368128cea43d1.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8113412e721cb5b2331368128cea43d1.png\")