What is the derivative of a fraction with a variable in the denominator?

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    Derivative Fraction
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SUMMARY

The discussion focuses on finding the derivative of the function \(-\frac{2x^2 + 2x - 7}{x}\). Participants clarify that to differentiate this expression, one should rewrite the denominator using the power rule, converting it to \(-2x^2 + 2x - 7 \cdot x^{-1}\). The power rule states that if \(f(x) = x^n\), then \(f'(x) = nx^{n-1}\). This method simplifies the differentiation process significantly.

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Drewnlauren06
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I'm having trouble finding the derivative of -2x^2+2x-7/x...I'm having trouble understand what to do with the X underneath. Do I bring X to the numerator and make it X^-1 or what? Thanks for your helphttps://www.youtube.com/watch?v=
 
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Yes

[tex]\frac{1}{x^n} = x^{-n}[/tex]

Now use the power rule, i.e.

[tex]f(x) = x^{blah} \Rightarrow f'(x) = ?[/tex]
 

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