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    Derivatives and Vector Functions

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    Find r '(t) for r (t) = < ( 4 + 5t), (t - t^2) >.

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    As far as I understand you are given a two dimensional parametric vector and you need to calculate a vector tangential to the path - since the derivative is tangent to the path.

    When we take a derivative of ...

    Solution Summary

    Derivatives and vector functions are investigated. The functions are solved with intervals.