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Math Help - PArametric equations

  1. #1
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    PArametric equations

    Find the parametric equation of a straight line which contains the point t=(1,-1,2) and is orthorgonal to the plane z=3 also determine the point of interception of this line with the plane z=3.
    Last edited by wantanswers; June 28th 2010 at 01:10 PM.
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  2. #2
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    Quote Originally Posted by wantanswers View Post
    Find the parametric equation of a straight line which contains the point t=(1,-1,2) and is orthorgonal to the plane z=3 also determine the point oof interception of this line with the plane z=3.
    Try (1,-1,2)+t(0,0,1)\,,\,\,t\in\mathbb{R} (why?)

    Tonio
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  3. #3
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    You didn't answer Tonio's question. Do you understand how he got that as the equation of the line? If you don't then that answer does you no good at all.
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