Question

If = − = + , ℎ ℎ
2 +
2 =
2 +
2

Answer 1

Answer:

Let f″ be continuous on R. Show that limh→0f(x+h)−2f(x)+f(x−h)h2=f″(x) My workings limh→0f(x+h)−2f(x)+f(x−h)h2=limh→0f(x+h)−f(x)−[f(x) ...