1.

Which of the following functions have the graphsymmetrical about the origin?

Answer»

f(X) given by `f(x)+f(y)= f((x+y)/(1-xy))`
f(x) given by `f(x)+f(y) = f(x sqrt(1-y^(2))+y sqrt(1-x^(2)))`
f(x) given by `f(x+y)=f(x) + f(y) AA x, y in R`
none of these

Answer :A::B::C


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