Question

Diketahui f(x)=3x² f'(x)= lim f(x+h)-f(x)/h h=> 0 nilai f'(x)

Answer 1

F (x) = 3x^2
f' (x) = lim { 3(x+h)^2 - 3x^2) } / h
= lim (3x^2 +6xh + 3h^2 -3x^2)/h
= lim (6xh + 3h^2)/h
= lim h(6x + 3h) / h
= lim (6x + 3h). untuk h => 0
= 6x + 3.0
= 6x