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Finding the line of intersection for two planes (method using cross-products)
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I demonstrate finding the line of intersection for two planes by taking the cross-product of the normal vectors. This gives us a line in vector form. For a method of doing this just using simple algebra, or for help going between parametric, symmetric and vector forms for a line, please see my other videos.
*** I call this method "faster" than the system-of-equations approach, but the video ended up being longer! So I'll revise that statement to say it feels shorter to me. I would recommend trying both methods and seeing which you prefer!
*** I call this method "faster" than the system-of-equations approach, but the video ended up being longer! So I'll revise that statement to say it feels shorter to me. I would recommend trying both methods and seeing which you prefer!
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