slyrazz7918 slyrazz7918
  • 22-02-2018
  • Mathematics
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Find direction numbers for the line of intersection of the planes x + y + z = 1 and x + z = 0. (enter your answers as a comma-separated list.)

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sqdancefan
sqdancefan sqdancefan
  • 25-02-2018
<1, 1, 1> × <1, 0, 1> = <1, 0, -1>

The cross product of the normals of the planes gives the direction vector of their line of intersection.
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