1) 4x - a²x = a + 2 esitigi her x reel sayisi icin saglandigina gore a kactir?(-2)
2) x² - 4 = (x-2)/y
x.y = 1 old gore x + y kactir?(5/2)
3) 20/x = a²/(a²-b²) ve b²/(b²-a²) = 5 old gore x kactir?(-5)
4) (√ab)/c = 2 (√bc)/a = 4 old gorr (√ac)/b kactir?(1?8)
5) xy/(x+y) = 1/3, yz/(y+z) = 1/4 , xz/(x+z) = 1/5 old gore x kactir?(1/2)