Can anyone help me with this problem:
Last edited by mr fantastic; Feb 11th 2011 at 08:59 PM.
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This is more of a pre-calc or algebra question, just fyi. You can report your own post (use the little triangle symbol with the exclamation mark in it), and a mod will move it for you.
What ideas have you had so far?
(ii) Try evaluating the dot product...
Any vector that is parallel to is of the form . Any vector that is perpendicular to is of the form . Find a and b so that
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