Differentiate w.r.t. b
\frac{5}{6\sqrt[6]{b}}
Evaluate
b^{\frac{5}{6}}
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\frac{5}{6}b^{\frac{5}{6}-1}
The derivative of ax^{n} is nax^{n-1}.
\frac{5}{6}b^{-\frac{1}{6}}
Subtract 1 from \frac{5}{6}.
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