Derive the following formulas using Taylor series and then establish the error terms for each.
f'(x) approx= (1/2*h)[4f(x+h)-3f(x)-f(x+2h)]
f'(x) approx= (1/4*h)[f(x+2h)-f(x-2h)]
f'(x) approx= (1/2*h)[4f(x+h)-3f(x)-f(x+2h)]
f'(x) approx= (1/4*h)[f(x+2h)-f(x-2h)]