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f(2x+y/8, 2x-y/8)=xy then f(m,n)+f(n,m) is equal to

f(2x+y/8, 2x-y/8)=xy then f(m,n)+f(n,m) is equal to

Grade:12

1 Answers

mycroft holmes
272 Points
12 years ago

Its obvious that for any m,n we can find corresponding x,y satisfying 2x+y/8 = m and 2x-y/8 = n

 

Now 

 

Substituting -y for y, we obtain 

 

Hence 

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