Tentukan turunan pertama dari: F(x) = x-2 f(x) = 2/x

F(×)= x-2
F'(x)=1

F(x)=2/x, u'=0 , v'=1
F'(x)= u'v-uv'/v^2
= 0.x-2.1/×^2
=-2/x^2

Maaf kalau salah,semoga membantu