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(Solved): 2. In this problem we outline a proof of Theorem 7.4.3 in the case n=2. Let x(1) and x(2) b ...



2. In this problem we outline a proof of Theorem 7.4.3 in the case \( n=2 \). Let \( \mathbf{x}^{(1)} \) and \( \mathbf{x}^{(

(b) Using Eq. (3), show that
\[
\frac{d W}{d t}=\left(p_{11}+p_{22}\right) W
\]
(c) Find \( W(t) \) by solving the differenti

2. In this problem we outline a proof of Theorem 7.4.3 in the case . Let and be solutions of Eq. (3) for , and let be the Wronskian of and . (a) Show that (b) Using Eq. (3), show that (c) Find by solving the differential equation obtained in part (b). Use this expression to obtain the conclusion stated in Theorem 7.4.3.


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To prove the given equality, we'll start by expanding the derivative of the Wronskian, dW/dt, using the definition of the Wronskian and the product rule for derivatives.

The Wronskian of two functions x? and x? is defined as:
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