If `g(x)=|a^(-x)e^(x log_e a)x^2a^(-3x)e^(3x log_e a)x^4a^(-5x)e^(5x log_e a)1|` , then graphs of `g(x)` is symmetrical about the origin graph of `g(x)` is symmetrical about the y-axis `((d^4g(x))/(dx^4)|)_(x=0)=0` `f(x)=g(x)xxlog((a-x)/(a+x))` is an odd function