Differentiate w.r.t. x
-\frac{13}{41} = -0.3170731707317073
Evaluate
-\frac{13x}{41}
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-\frac{13}{41}x^{1-1}
The derivative of ax^{n} is nax^{n-1}.
-\frac{13}{41}x^{0}
Subtract 1 from 1.
-\frac{13}{41}
For any term t except 0, t^{0}=1.
-\frac{13}{41}x
Reduce the fraction \frac{-39}{123} to lowest terms by extracting and canceling out 3.
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