Question

Jika f adalah fungsi sehingga f(xy)=f(x-y) dan f(6)=1, maka f(-2)-f(4)=....
yang jawab ngasal saya akan laporkan

Answer 1

perhatikan,
f(6) = f(6.1) = f(6-1) = f(5) = f(5.1) = f(5-1) = f(4) = f(2.2) = f(2-2) = f(0) = f(0.2) = f(0-2) = f(-2) = 1
f(-2) = f(4) = 1 sehingga f(-2) - f(4) = 1 - 1 = 0

semoga membantu ya :)