a. Show the left side is zero. b. y2 = tet с. (0, оо) (0, 00) 1 d. y = 2t -tet e

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Chapter2: Second-order Linear Odes
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Certainly! Here is the transcription of the text that would be suitable for an educational website:

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### Problem 7

a. Show the left side is zero.

b. \( y_2 = t e^t \)

c. \( (0, \infty) \)

d. \( y = 2t - \frac{1}{e}t e^t \)

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In this problem, explore the different parts as follows:

- **Part a** requires proving that a particular expression or equation results in zero when simplified or evaluated correctly.
- **Part b** presents a function \( y_2 \) defined as \( t \times e^t \). Here, \( t \) is the variable, and \( e \) is the base of the natural logarithm.
- **Part c** specifies the interval \( (0, \infty) \), which implies consideration of values greater than zero, potentially for the variable \( t \).
- **Part d** presents another function, where \( y \) is defined as \( 2t - \frac{1}{e} t e^t \). This involves operations on the variable \( t \) including multiplication and subtraction, with \( \frac{1}{e} \) as a constant coefficient.

These exercises may involve calculus techniques such as differentiation or integration, especially considering the exponential terms involved.
Transcribed Image Text:Certainly! Here is the transcription of the text that would be suitable for an educational website: --- ### Problem 7 a. Show the left side is zero. b. \( y_2 = t e^t \) c. \( (0, \infty) \) d. \( y = 2t - \frac{1}{e}t e^t \) --- In this problem, explore the different parts as follows: - **Part a** requires proving that a particular expression or equation results in zero when simplified or evaluated correctly. - **Part b** presents a function \( y_2 \) defined as \( t \times e^t \). Here, \( t \) is the variable, and \( e \) is the base of the natural logarithm. - **Part c** specifies the interval \( (0, \infty) \), which implies consideration of values greater than zero, potentially for the variable \( t \). - **Part d** presents another function, where \( y \) is defined as \( 2t - \frac{1}{e} t e^t \). This involves operations on the variable \( t \) including multiplication and subtraction, with \( \frac{1}{e} \) as a constant coefficient. These exercises may involve calculus techniques such as differentiation or integration, especially considering the exponential terms involved.
7. Consider the DE \( t^2y'' - t(t+2)y' + (t+2)y = 0 \)

(a) Verify that \( y(t) = t \) is a solution to the DE.

(b) Use reduction of order to find the second solution for the fundamental set for this DE.

(c) Given initial conditions \( y(1) = 1, \, y'(1) = 0 \), find the largest interval on which a unique solution is guaranteed to exist by applying the appropriate existence/uniqueness theorem.

(d) Solve the IVP given initial conditions \( y(1) = 1, \, y'(1) = 0 \).
Transcribed Image Text:7. Consider the DE \( t^2y'' - t(t+2)y' + (t+2)y = 0 \) (a) Verify that \( y(t) = t \) is a solution to the DE. (b) Use reduction of order to find the second solution for the fundamental set for this DE. (c) Given initial conditions \( y(1) = 1, \, y'(1) = 0 \), find the largest interval on which a unique solution is guaranteed to exist by applying the appropriate existence/uniqueness theorem. (d) Solve the IVP given initial conditions \( y(1) = 1, \, y'(1) = 0 \).
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