Let f: (0, ∞) → R be given by f(x) = 1, and let a € (0, ∞). Using only the definition of the derivative (and not the power rule, the chain rule, etc.), calculate f'(a).

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Let f (0, ∞)→ R be given by f(x) = 1, and let a € (0, ∞). Using only
the definition of the derivative (and not the power rule, the chain rule,
etc.), calculate f'(a).
Transcribed Image Text:: Let f (0, ∞)→ R be given by f(x) = 1, and let a € (0, ∞). Using only the definition of the derivative (and not the power rule, the chain rule, etc.), calculate f'(a).
Expert Solution
Step 1

It is known that f'(x)=limh0f(x+h)-f(x)h, where f'(x) is the derivative of f(x).

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