Differentiate $\frac { x + 2 } { x - 1 }$

question 92

Multiple Choice

Differentiate.
-ln $\frac { x + 2 } { x - 1 }$

• A) \(\frac { 3 x } { ( x + 2 ) ( x - 1 ) }\)
• B) \(\frac { 1 } { x + 2 }\) - \(\frac { 1 } { x - 1 }\)
• C) \(\frac { ( x - 1 ) } { ( x + 2 ) ( x + 3 ) }\)
• D) \(\frac { x - 1 } { x + 2 }\)
• E) none of these

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