Question

Tolong bantu jawab soal matematika​

Answer 1

19. d(f(3))/du = 2, d(u(3))/dx = 3

d(f(3))/dx = ?

aturan berantai :

h(x) = f(g(x))

h'(x) = f'(g(x)).g'(x) = df/dg . dg/dx

dh/dx = df/dg . dg/dx

maka :

df/dx = df/du . du/dx

d(f(3))/dx = d(f(3))/du . d(u(3))/dx

               = 2.3

d(f(3))/dx = 6