Find all the second order partial derivatives of the given function.f(x, y) = ex/y
A. 
= 
; 
= ex/y
; 
= 
= -ex/y
B. 
= 
; 
= -ex/y
; 
= 
= ex/y
C. 
= 
; 
= 
; 
= 
= 
D. 
= 
; 
= ex/y
; 
= 
= -ex/y
Answer: A
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and 
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C. 
D. 
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