Evaluate
\frac{2}{4y-1}
Differentiate w.r.t. y
-\frac{8}{\left(4y-1\right)^{2}}
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\frac{2}{4\left(y-\frac{1}{4}\right)}
Express \frac{\frac{2}{4}}{y-\frac{1}{4}} as a single fraction.
\frac{2}{4y+4\left(-\frac{1}{4}\right)}
Use the distributive property to multiply 4 by y-\frac{1}{4}.
\frac{2}{4y-1}
Cancel out 4 and 4.
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