What is the derivative of (7 sqrt[3]{x}- frac{3}{x^4}+5x ) with respe

1.	What is the derivative of (7 sqrt[3]{x}- frac{3}{x^4}+5x ) with respect x?
A.	(7x^{ frac{-1}{3}}-3x^{-5}+5 )
B.	(7x^{ frac{-2}{3}}-3x^{-5}+5 )
C.	(7x^{ frac{-2}{3}}-3x^{-3}+5 )
D.	(7x^{ frac{-1}{3}}-3x^{-3}+5 )
Answer» C. (7x^{ frac{-2}{3}}-3x^{-3}+5 )

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