2b/(6a²)*12a³/(8b²)

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2b/(6a²)*12a³/(8b²)
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2b/(6a²)*12a³/(8b²)
2b/(6a²)*12a³/(8b²)

2b/(6a²)*12a³/(8b²)
2b/(6a²)*12a³/(8b²)
=24a³b/48a²b²
=a/(2b)