Suppose that a a) Prove that if f is continuous at x0 [a, b] and f(x0)
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b) Show that if f is continuous on [a, b], then ˆ«ba |f(x)dx = 0 if and only if f(x) = 0 for all x ˆˆ [a, b].
c) Does part b) hold if the absolute values are removed? If it does, prove it. If it does not, provide a counterexample.
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dx > 0. f L)
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