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find all points at the curve x^2y^2+2xy=3 with the slope of the tsngent is -1

  • Calculus -

    1. Use implicit differentiation to find y'.
    2. Equate y' to -1 and solve for all possible values of x and y.

    I find x=1,y=1 lies on the curve where the tangent is -1.

    Check my work.

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