Define S(h)= -f(x + 2h) + 4f(x+h)-3f(x)/2h(a) Show that f'(x) - S(h) = c?h + c?h + c3h + ... 15. Define + 211) +

Define S(h)= -f(x + 2h) + 4f(x+h)-3f(x)/2h(a) Show that f'(x) - S(h) = c?h² + c?h³ + c3h² + ...

15. Define + 211) + 4f(x + h) = 3f@) S(li) i 211 - Cab Show tht f' r- crh2 + C2h3 + + and state Cl