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Thread: Vectors- Cross product problem

  1. #1

    Vectors- Cross product problem

    New to vector cross product, so just wanted to verify I have solved this problem correctly.

    Question:

    Use the cross product to find the normal form of the eqn on the plane passing through P=(1,0,-2) parallel to u= [0,1,1] and v= [3,-1,2]

    I've attached an image with my working.

    Cheers!
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  2. #2
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    Quote Originally Posted by promitheus View Post
    New to vector cross product, so just wanted to verify I have solved this problem correctly.

    Question:

    Use the cross product to find the normal form of the eqn on the plane passing through P=(1,0,-2) parallel to u= [0,1,1] and v= [3,-1,2]

    I've attached an image with my working.

    Cheers!
    Looks good to me.

    If you need reassurance, you can check that P satisfies the equation, and that the normal is in fact perpendicular to each of u and v.

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