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ee2oo

  • 3 years ago

If Ā = 2i -3j + k and B= -i + 4j -2k are normals of the two planes, do the planes necessary intersect ? give the reason. If they intersect find a vector parallel to their line of intersection.

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  1. hartnn
    • 3 years ago
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    if the 2 planes are parallel, their normals are also parallel, so you just need to check whether A and B are parallel. if they are, then they are not intersecting...

  2. klimenkov
    • 3 years ago
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    If these vectors are not parallel, then the planes intersect. And the vector of the line of the intersection will be the vector product of the normals of the planes.

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