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Let a, b, c be three real numbers such that a < b < c. Let f(x) be continuous ∀ x ∈[a,c] and differentiable ∀ x ∈(a,c). If f′′(x)>0 ∀ x ∈(a,c) then |
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Answer» Let a, b, c be three real numbers such that a < b < c. Let f(x) be continuous ∀ x ∈[a,c] and differentiable ∀ x ∈(a,c). If f′′(x)>0 ∀ x ∈(a,c) then |
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