Find the value.If F(x, y) = ln (x2 + y2), find Fx(1, 3) and Fy(1, 3).

A. Fx(1, 3) = , Fy(1, 3) = 
B. Fx(1, 3) = , Fy(1, 3) = 
C. Fx(1, 3) = , Fy(1, 3) = 
D. Fx(1, 3) = , Fy(1, 3) = 

Answer: B

Mathematics

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D. k = 

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A.  + 
B.  - 
C.  - 
D.  - 

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