Differentiate w.r.t. x
4x^{19}
Evaluate
\frac{x^{20}}{5}
Graph
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20\times \frac{1}{5}x^{20-1}
The derivative of ax^{n} is nax^{n-1}.
4x^{20-1}
Multiply 20 times \frac{1}{5}.
4x^{19}
Subtract 1 from 20.
\frac{1}{5}x^{20}
Reduce the fraction \frac{20}{100} to lowest terms by extracting and canceling out 20.
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