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Math Help - Find the derivative

  1. #1
    Member purplec16's Avatar
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    Find the derivative

    Using the power rule:

    y=0.0002{t}^{ 3} -0.4{t}^{ 2}+4+\frac{100}{{t}^{2 } }

    y=0.0006{t}^{ 2}-0.8t-200{t}^{-3 }

    just trying to check my answer
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  2. #2
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    Quote Originally Posted by purplec16 View Post
    Using the power rule:

    y=0.0002{t}^{ 3} -0.4{t}^{ 2}+4+\frac{100}{{t}^{2 } }

    y=0.0006{t}^{ 2}-0.8t-200{t}^{-3 }

    just trying to check my answer
    You are correct purplec16.
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  3. #3
    Member purplec16's Avatar
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    Ok...thank you
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  4. #4
    A Plied Mathematician
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    Although, technically, you should write

    \dot{y} or y'

    for your derivative.
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  5. #5
    Member purplec16's Avatar
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    i did i just forgot to put it on the forum my apologies.
    Last edited by Ackbeet; May 25th 2011 at 05:40 AM. Reason: Split new question into a new thread.
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  6. #6
    A Plied Mathematician
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    No problem!
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