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Math Help - Calculus and Vectors HELP

  1. #1
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    Exclamation Calculus and Vectors HELP

    1) If v= (t, 2t-1, 2t) is a unit vector, find t
    - can't figure out how to solve for t. (oh and in the question there is an arrow over the v but i cant figure out how to do that on here)

    2)Find a parametric equation for the plane 2x+6y-5z-30=0
    -not exactly sure how to change a scalar equation into a paramteric equation
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  2. #2
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    Quote Originally Posted by agrogirl View Post
    1) If v= (t, 2t-1, 2t) is a unit vector, find t
    - can't figure out how to solve for t. (oh and in the question there is an arrow over the v but i cant figure out how to do that on here)
    Solve for t: 1 = \left\| {\vec v} \right\|^2  = \left( t \right)^2  + \left( {2t - 1} \right)^2  + \left( {2t} \right)^2 .
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