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collinear vectors???

lorr3 · 2009-06-07 14:49:35

hi hi AGAIN!! :D anyone able to tell me how to work these out. there is an example here http://www.examinations.ie/archive/markingschemes/2006/LC003ALPO00EV.pdf question 2 b i paper 2. finding d. is there a formula or a rule or something??? yet again stumped::confused:

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07-06-2009 3:49pm

#1

lorr3

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hi hi AGAIN!! anyone able to tell me how to work these out.
there is an example here http://www.examinations.ie/archive/markingschemes/2006/LC003ALPO00EV.pdf
question 2 b i paper 2. finding d. is there a formula or a rule or something???
yet again stumped

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#2 07-06-2009 3:55pm
lorr3

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ok can work out that out that one sorry that was easy:) but in general is there a rule.?

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#3 07-06-2009 4:08pm
sock puppet

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You sure you posted up the right question there? I think in general if 2 vectors are collinear then you can express one as a product of the other.

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#4 07-06-2009 4:20pm
Fringe

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Say if a and b are collinear, then you can express them like:
a = x b

where x is just a scalar/number.

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#5 07-06-2009 4:40pm
lorr3

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ok thanks. god i not lookin forward to 2mo:D

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