Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = xln x

A. 2xln x - 1ln x
B. xln x - 1ln x
C.
D.  2

Answer: A

Mathematics

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Multiply and write the answer in scientific notation.(5.8 × 10-4)(8.7 × 107)

A. 14.5 × 1011 B. 1.62 × 103 C. 5.046 × 104 D. 5.046 × 103

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Give the appropriate form of the partial fraction decomposition.

A.  +  
B.  +  
C.  +  
D.  +  

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Divide the rational expressions. ÷ 

A. - 
B. 3
C. - 
D. - 

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Find dy/dt.y = 4

A. -  sin e4 cos(t/3)
B. - 3
C.  sin e3 cos(t/3)
D.  cos e4 cos(t/3)

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Mathematics