If f(x+y, x-y)=x y . then the arithmetic mean of f(x, y) and f(y, x) is
Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions
If \(f(x+y, x-y)=x y .\) then the arithmetic mean of \(f(x, y) \text { and } f(y, x)\) is
- x
- y
- 0
- none of these
Answer
(D) none of these
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