Jika f(xy)= f(x+y) dan f(7)=7. tentukanlah nilai f(49)
Jawaban Terkonfirmasi
f (xy) = f (x + y)
f (7) = 7
f (49) = f (7 .7)
= f (7 + 7)
= f (7 . 2)
= f (7 + 2)
= f (3 . 3)
= f (3 + 3)
= f (6)
= f (6 + 1)
= f (7)
= 7