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Math Help - Find the partial derivative

  1. #1
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    Find the partial derivative

    What is the partial derivative of

    π1 (x1, x2) = 12 - x1^2 - (x2-x1)^2 with respect to x2 and set this equal to 0.

    and


    What is the partial derivative of

    π2 (x1, x2) = 12 - (1 - x2)^2 - (x2-x1)^2 with respect to x1 and set this equal to 0.
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  2. #2
    Junior Member slovakiamaths's Avatar
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    Quote Originally Posted by brumby_3 View Post
    What is the partial derivative of

    π1 (x1, x2) = 12 - x1^2 - (x2-x1)^2 with respect to x2 and set this equal to 0.

    and


    What is the partial derivative of

    π12(x1, x2) = 12 - (1 - x2)^2 - (x2-x1)^2 with respect to x1 and set this equal to 0.
    \frac{\partial{n1}}{\partial{x_2}}=0-0-2(x_2-x_1)
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