
Can anyone please provide me good material of functions(concepts n practice questions )
plz help me...


if f(x + y/8 ,x-y/8) =xy, then f(m,n) + f(n,m)=0

say y = f(x) is a function of x


Can anyone please provide me good material of functions(concepts n practice questions )
plz help me...
if f(x + y/8 ,x-y/8) =xy, then f(m,n) + f(n,m)=0
say y = f(x) is a function of x