Grade 12Algebra
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
1 Answer
mycroft holmes
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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