Diket f(x) = 2x+1 , g(x) = x²+2 dan (fog)(x) = 6
Tentukan nilai x
Fog (x)=2(x^2+2)+1
6=2x^2+4+1
6=2x^2+5
2x^2=1
x^2=1/2
X=
Fog(x)= 2x^2+5 = 6
x^2= 1/2
Diket f(x) = 2x+1 , g(x) = x²+2 dan (fog)(x) = 6
Tentukan nilai x
Fog (x)=2(x^2+2)+1
6=2x^2+4+1
6=2x^2+5
2x^2=1
x^2=1/2
X=
Fog(x)= 2x^2+5 = 6
x^2= 1/2