, f (x) = A-2 / (x power of 2 + 1) (x) ∈ R is an odd function, a Simplification does not eliminate=

, f (x) = A-2 / (x power of 2 + 1) (x) ∈ R is an odd function, a Simplification does not eliminate=

f(x)=a-2/(2^x+1)
x∈R
F (x) is an odd function
∴f(0)=0
a-2/2=0
a=1