$$\text { Find the value of } ( f \circ g ) ^ { \prime } \text { at the given value of } x \text {. }$$
-$$f ( u ) = \frac { 1 } { u } + 19 , u = g ( x ) = \frac { 1 } { x ^ { 2 } - 19 } , x = 10$$
A) 10
B) 20
C) -39
D) 100

Question

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The Answer of $$\text { Find the value of } ( f \circ g ) ^ { \prime } \text { at the given value of } x \text {. }$$
-$$f ( u ) = \frac { 1 } { u } + 19 , u = g ( x ) = \frac { 1 } { x ^ { 2 } - 19 } , x = 10$$
A) 10
B) 20
C) -39
D) 100

Find the value of (f∘g)′ at the given value of x. \text { Find the value of } ( f \circ g ) ^ { \prime } \text { at the given value of } x \text {. } Find the value of (f∘g)′ at the given value of x.

$\text { Find the value of } ( f \circ g ) ^ { \prime } \text { at the given value of } x \text {. }$