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Math Help - direction vector for a tangent line to a curve

  1. #1
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    direction vector for a tangent line to a curve

    What vector can be used at direction vector for the tangent line to the curve:

    r(t) vector = t i + t^2 j + t^3 k at t = 1?

    I could use help on this one if anyone has the time and know how. Thanks Frostking
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by Frostking View Post
    What vector can be used at direction vector for the tangent line to the curve:

    r(t) vector = t i + t^2 j + t^3 k at t = 1?

    I could use help on this one if anyone has the time and know how. Thanks Frostking
    the vector r'(1) is what you want
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