write as single log

Question

-4ln(x+1) + 9ln(x)

Answer 1

- 4 ln ( x + 1 ) + 9 ln ( x ) =

9 ln ( x ) - 4 ln ( x + 1 )

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n * ln ( a ^ n )

ln ( a ) - ln ( b ) = ln ( a / b )

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9 ln ( x ) - 4 ln ( x + 1 ) =

ln [ x ^ 9 / ( x + 1 ) ^ 4 ]