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 Find the derivative of the function f(x)=ex1+x2. Simplify your answer. \text { Find the derivative of the function } f ( x ) = \frac { e ^ { x } } { 1 + x ^ { 2 } } \text {. Simplify your answer. }

Question 191

Multiple Choice

 Find the derivative of the function f(x) =ex1+x2. Simplify your answer. \text { Find the derivative of the function } f ( x ) = \frac { e ^ { x } } { 1 + x ^ { 2 } } \text {. Simplify your answer. }


A) ex(x22x+1) (1+x2) 2\frac { - e ^ { x } \left( x ^ { 2 } - 2 x + 1 \right) } { \left( 1 + x ^ { 2 } \right) ^ { 2 } }
B) ex(x22x+1) (1+x2) \frac { e ^ { x } \left( x ^ { 2 } - 2 x + 1 \right) } { \left( 1 + x ^ { 2 } \right) }
C) ex(x22x+1) (1+x2) 2\frac { e ^ { x } \left( x ^ { 2 } - 2 x + 1 \right) } { \left( 1 + x ^ { 2 } \right) ^ { 2 } }
D) ex(x2+2x+1) (1+x2) 2\frac { e ^ { x } \left( x ^ { 2 } + 2 x + 1 \right) } { \left( 1 + x ^ { 2 } \right) ^ { 2 } }
E) ex2x\frac { e ^ { x } } { 2 x }

Correct Answer:

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