Differentiate
-Y = $\frac { x + 1 } { x ^ { 2 } - 1 }$

question 45

Multiple Choice

Differentiate
-y = $\frac { x + 1 } { x ^ { 2 } - 1 }$

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

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