سا (a) From the definition of derivatives determine dy÷dx if y = -2÷x​

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سا (a) From the definition of derivatives determine dy÷dx if y = -2÷x​

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Dâu 2 months 2021-08-04T09:24:49+00:00 1 Answers 2 views 0

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    2021-08-04T09:26:37+00:00

    Step-by-step explanation:

    Given: y = -\dfrac{2}{x}

    Derivative of a power function x^n:

    \dfrac{d}{dx}(x^n) = nx^{n-1}

    Therefore,

    \dfrac{dy}{dx}=-2(-1)x^{-2} = \dfrac{2}{x^2}

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )