Question

To approximate the value of f

000(xk), the following formulas are used

f

000

k =

1

h

3

[ fk+3 −3 fk+2 +3 fk+1 − fk

]

f

000

k =

1

2h

3

[ fk+2 −2 fk+1 +2 fk−1 − fk−2]

Which formula do you find more accurate, and why​

Answer 1

${x}^{2} - ( \alpha + \beta )x + ( \alpha \times \beta )$

hope it helps you ✌