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If f(x)=1x2f ( x ) = - \frac { 1 } { x ^ { 2 } }

Question 149

Multiple Choice

If f(x) =1x2f ( x ) = - \frac { 1 } { x ^ { 2 } } , find f(1) f ^ { \prime } ( 1 ) .


A) 13- \frac { 1 } { 3 }

B) 2- 2
C) 13\frac { 1 } { 3 }
D) 14- \frac { 1 } { 4 }
E) 12\frac { 1 } { 2 }
F) 12- \frac { 1 } { 2 }

G) 2

H) 14\frac { 1 } { 4 }

Correct Answer:

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