Question: The central difference approximation of (d x / d t) at (t_{i}) is given by a. (frac{1}{2 h}left(x_{i+1}-x_{i} ight)) b. (frac{1}{2 h}left(x_{i}-x_{i-1} ight)) c. (frac{1}{2

The central difference approximation of \(d x / d t\) at \(t_{i}\) is given by

a. \(\frac{1}{2 h}\left(x_{i+1}-x_{i}\right)\)

b. \(\frac{1}{2 h}\left(x_{i}-x_{i-1}\right)\)

c. \(\frac{1}{2 h}\left(x_{i+1}-x_{i-1}\right)\)

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