di jawab ya terimakasih

g(5/x) = ^5log (5/x) / (1 - 2.^5log (x/5))
= (^5log 5 - ^5log x) / (1 - 2(^5log 5 - ^5log x)
= (1 - ^5log x) / (1 - 2(1 - ^5log x))
= (1 - ^5log x) / (1 - 2 + 2.^5log x)
= (1 - ^5log x) / (-1 + 2.^5log x)
= (1 - ^5log x) / -1(1 - 2.^5log x)
= (-1 + ^5log x) / (1 - 2.^5log x)
g(x) + g(5/x)
= ^5log x / (1-2.^5log x) + (-1+^5log x) / (1-2.^5log x)
= (^5log x - 1 + ^5log x) / (1-2.^5log x)
= (2.^5log x - 1) / (1-2.^5log x)
= -1(-2.^5log x + 1) / (1-2.^5log x)
= -1(1 - 2.^5log x) / (1 - 2.^5log x)
= -1