Question: 3. Find the time to needed for the original sum, A(0) to double in value. Your answer should be a function of the interest rate

3. Find the time to needed for the original sum, A(0) to double in value. Your answer should be a function of the interest rate r. a t= In (1/2) r b t= - In(1/2) r c) t = In (2) r d) t = - In (2) r e) Both a) and c) are correct. f) Both b) and c) are correct

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