Question: Let f''(x) be continuous. Show that f(x + h) 2f(x) + f(x h) h lim h 0 = f(x).

Let f''(x) be continuous. Show thatf(x + h) 2f(x) + f(x h) h lim h 0 =

f(x + h) 2f(x) + f(x h) h lim h 0 = f"(x).

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