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lim(xto oo)(ln(x^(2)+5x)-2ln(cx+1)=-2 th...

`lim_(xto oo)(ln(x^(2)+5x)-2ln(cx+1)=-2` then

A

`c=e^(-1)`

B

`c=e^(-2)`

C

`c=e`

D

`c=2/e`

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