If F(x) = $\frac { 1 } { x ^ { 3 } + x ^ { 2 } }$

question 54

Multiple Choice

If f(x) = $\frac { 1 } { x ^ { 3 } + x ^ { 2 } }$ , find $f ^ { \prime }$ (x) .

• A) \(\frac { 1 } { \left( x ^ { 3 } + x ^ { 2 } \right) ^ { 2 } }\)
• B) \(\frac { x ^ { 3 } + x ^ { 2 } } { \left( x ^ { 3 } + x ^ { 2 } \right) ^ { 2 } }\)
• C) \(\frac { - 3 x ^ { 2 } - 2 x } { \left( x ^ { 3 } + x ^ { 2 } \right) ^ { 2 } }\)
• D) - \(\frac { 2 x + 1 } { x ^ { 2 } ( x + 1 ) ^ { 2 } }\)

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