1.

Simplify \[\frac{3lm}{8{{n}^{2}}}\times \frac{32{{\ln }^{3}}}{{{m}^{2}}}\div \frac{9{{\ln }^{2}}}{m}\].

A.  \[\frac{4l}{3n}\]                                              
B.  \[-\frac{4l}{3n}\]            
C.         \[\frac{4n}{3l}\]                              
D.         \[\frac{-4n}{3l}\]                            
Answer» B.  \[-\frac{4l}{3n}\]            


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