What function (or functions) do you know from calculus is such that its second derivative is itself?

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What function (or functions) do you know from calculus is such that its second derivative is itself? Its second derivative is the negative of itself? Write each answer in the form of a second-order differential equation with a solution.

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A First Course in Differential Equations with Modeling Applications

ISBN: 978-1305965720

11th edition

Authors: Dennis G. Zill

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Question Posted: Jul 10, 2018 10:50 AM

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What function (or functions) do you know from calculus is such that its second derivative is itself?

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1 Functions whose second derivative is equal to itself second order differential equati...View the full answer

A First Course in Differential Equations with Modeling Applications

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