If $f ( x ) = \left( \frac { x + 1 } { x - 1 } \right) ^ { 3 } , \text { find } f ^ { \prime } ( 3 )$
A)4
B) $- \frac { 2 } { 3 }$
C)12
D)3
E) $- 6$
F) $- 3$
G)6
H)None of these

Question

If $f ( x ) = \left( \frac { x + 1 } { x - 1 } \right) ^ { 3 } , \text { find } f ^ { \prime } ( 3 )$
A)4
B) $- \frac { 2 } { 3 }$
C)12
D)3
E) $- 6$
F) $- 3$ 
G)6
H)None of these

Quizplus · Accepted Answer

The Answer of If $f ( x ) = \left( \frac { x + 1 } { x - 1 } \right) ^ { 3 } , \text { find } f ^ { \prime } ( 3 )$
A)4
B) $- \frac { 2 } { 3 }$
C)12
D)3
E) $- 6$
F) $- 3$ 
G)6
H)None of these

If f(x)=(x+1x−1)3, find f′(3)f ( x ) = \left( \frac { x + 1 } { x - 1 } \right) ^ { 3 } , \text { find } f ^ { \prime } ( 3 )f(x)=(x−1x+1​)3, find f′(3)

If $f ( x ) = \left( \frac { x + 1 } { x - 1 } \right) ^ { 3 } , \text { find } f ^ { \prime } ( 3 )$