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Math Help - vector calc- planes

  1. #1
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    Exclamation vector calc- planes

    find an equation for the plane through the point (3,2,3) parallel to the plane with the equation 7x+3y+z=8

    so for finding planes, we need a point and a normal. the point is (3,2,3) but what is the normal? i can do it from there i think. i know how to find the normal when they give a perpendicular line but parallel threw me off..
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  2. #2
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    Any equation of a plane written in the form ax+by+cz=d has as a normal vector n=(a,b,c).
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  3. #3
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    thanks i was able to finish it from there and get the right answer
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