Show that A= 2icap - 3jcap+ 4kcap and B= -6icap +9jcap -12kcap are parallel to each other

Show that A= 2icap - 3jcap+ 4kcap and B= -6icap +9jcap -12kcap are par

1.	Show that A= 2icap - 3jcap+ 4kcap and B= -6icap +9jcap -12kcap are parallel to each other
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