Differentiate w.r.t. C
\frac{C^{2}}{6561}
Evaluate
\frac{C^{3}}{19683}
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\frac{\mathrm{d}}{\mathrm{d}C}(\frac{C^{3}}{19683})
Calculate 3 to the power of 9 and get 19683.
3\times \frac{1}{19683}C^{3-1}
The derivative of ax^{n} is nax^{n-1}.
\frac{1}{6561}C^{3-1}
Multiply 3 times \frac{1}{19683}.
\frac{1}{6561}C^{2}
Subtract 1 from 3.
\frac{C^{3}}{19683}
Calculate 3 to the power of 9 and get 19683.
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