Evaluate
\frac{5b^{2}}{8a}
Differentiate w.r.t. b
\frac{5b}{4a}
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\frac{5cab^{3}}{a^{2}b\times 8c}
Divide \frac{5c}{a^{2}b} by \frac{8c}{ab^{3}} by multiplying \frac{5c}{a^{2}b} by the reciprocal of \frac{8c}{ab^{3}}.
\frac{5b^{2}}{8a}
Cancel out abc in both numerator and denominator.
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