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Find the Derivative Of f(x)=xx2+3f ( x ) = \frac { x } { x ^ { 2 } + 3 }

Question 56

Multiple Choice

Find the derivative of f(x) =xx2+3f ( x ) = \frac { x } { x ^ { 2 } + 3 } .


A) 12x+3\frac { 1 } { 2 x + 3 }

B) 3+x2(x2+3) 2\frac { - 3 + x ^ { 2 } } { \left( x ^ { 2 } + 3 \right) ^ { 2 } }
C) 3x2(x2+3) 2\frac { 3 - x ^ { 2 } } { \left( x ^ { 2 } + 3 \right) ^ { 2 } }
D) 3x2(x2+3) \frac { 3 - x ^ { 2 } } { \left( x ^ { 2 } + 3 \right) }
E) 3(x2+3) 2\frac { 3 } { \left( x ^ { 2 } + 3 \right) ^ { 2 } }
F) 12x\frac { 1 } { 2 x }

G) 3x(x2+3) 2\frac { 3 - x } { \left( x ^ { 2 } + 3 \right) ^ { 2 } }

H) None of these

Correct Answer:

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