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Differentiate x41\sqrt { x ^ { 4 } - 1 }

Question 26

Multiple Choice

Differentiate.
-sin x41\sqrt { x ^ { 4 } - 1 }


A) cos x41\sqrt { x ^ { 4 } - 1 }
B) 2x3cosx41x41\frac { 2 x ^ { 3 } \cos \sqrt { x ^ { 4 } - 1 } } { \sqrt { x ^ { 4 } - 1 } }
C) 4 x3x ^ { 3 } sin 1x41\frac { 1 } { \sqrt { x ^ { 4 } - 1 } }
D) 12\frac { 1 } { 2 } sin 1x41\frac { 1 } { \sqrt { x ^ { 4 } - 1 } }

Correct Answer:

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