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Find the Derivative Of f(x)=245x4f ( x ) = \frac { 2 } { 4 - 5 x ^ { 4 } }

Question 27

Multiple Choice

Find the derivative of f(x) =245x4f ( x ) = \frac { 2 } { 4 - 5 x ^ { 4 } }


A) 20x3(45x4) 2\frac { - 20 x ^ { 3 } } { \left( 4 - 5 x ^ { 4 } \right) ^ { 2 } }
B) 40x3(45x4) 2\frac { 40 x ^ { 3 } } { \left( 4 - 5 x ^ { 4 } \right) ^ { 2 } }
C) 20x3(45x4) 2\frac { 20 x ^ { 3 } } { \left( 4 - 5 x ^ { 4 } \right) ^ { 2 } }
D) 40x3(45x4) 2\frac { - 40 x ^ { 3 } } { \left( 4 - 5 x ^ { 4 } \right) ^ { 2 } }

Correct Answer:

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