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April 21st, 2013, 01:34 PM   #1
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On which conditions are planes parallel?

Could anyone tell me how I could find out on which conditions planes a1x+b1y+c1z+d = 0 and a2x+b2y+c2z+d2 = 0 dont have common points?

Logic tells me that planes dont have common points when they are parallel. If I am not mistakesn planes are parallel if and only if their normals are parallel but how do I set conditions.

I mean how would this exact equation/equation system look like? Or what do I need to do with that problem?
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April 21st, 2013, 02:09 PM   #2
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Re: On which conditions are planes parallel?

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April 21st, 2013, 04:39 PM   #3
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Re: On which conditions are planes parallel?

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