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02-07-2021
Mathematics

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

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Trancescient Trancescient

02-07-2021

Step-by-step explanation:

Given: [tex]y = -\dfrac{2}{x}[/tex]

Derivative of a power function [tex]x^n[/tex]:

[tex]\dfrac{d}{dx}(x^n) = nx^{n-1}[/tex]

Therefore,

[tex]\dfrac{dy}{dx}=-2(-1)x^{-2} = \dfrac{2}{x^2}[/tex]

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