题目内容：
设f(y-x,x/y)=y²-x²,则f(x,y)=()A. y²(1+x)/1-x
B. y²(1-x)/1+x
C. x²(1-x)/1+x
D. x²(1+y)/1-y
参考答案：
选择题：设f(y-x,x/y)=y-x,则f(x,y)=()
- 题目分类：兰州财经大学2021春高等数学期末考试
- 题目类型：选择题
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A. y²(1+x)/1-x
B. y²(1-x)/1+x
C. x²(1-x)/1+x
D. x²(1+y)/1-y
A. y²(1+x)/1-x
B. y²(1-x)/1+x
C. x²(1-x)/1+x
D. x²(1+y)/1-y
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