How do you find the derivative of $f(x)= 2/x$ ?

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Answer 1 · 2018-06-04T22:27:37

$f'(x)=-2/x^2$ .

We can use the power rule to differentiate this function, and the fact that $d/dxcf(x)=cd/dxf(x)$ . So

$f'(x)=2d/dx(1/x)=2(-1/x^2)=-2/x^2$ .

How do you find the derivative of f(x)= 2/xf(x)= 2/x?