Question: Let x [0, 1) and an, βn be defined as in Theorem 7.60. a) If f : [0, 1) R and γ R, prove that

Let x ˆˆ [0, 1) and an, βn be defined as in Theorem 7.60.
a) If f : [0, 1) †’ R and γ ˆˆ R, prove that
Let x ˆˆ [0, 1) and an, βn be defined

b) If f is differentiable at x, prove that (26) holds.

f (Bn) (an) =(f(Bn) _ f(x) Pn-an f(x) f(an)

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