Find the second order derivative of y=9 log t3.

1.	Find the second order derivative of y=9 log t³.
A.	( frac{27}{t^2} )
B.	( frac{27}{t^2} )
C.	( frac{1}{t^2} )
D.	( frac{27}{2t^2} )
Answer» C. ( frac{1}{t^2} )

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