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Unformatted text preview: 1 3. Find all dierentiable functions F whose derivative is cos x . How do you know youve found them all? s 4. Show that for any positive integer n that 1 n + 1 < ln( n + 1)-ln( n ) < 1 n Hint. Obviously, you want to use the Mean Value Theorem. See if you can recognize f ( b )-f ( a ) b-a someplace. 2...
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