y'' +p(x)y' +q(x)y =0                        (1) and       y′′ +p(x)y′ +q(x)y =g(x)≠0               (2) True or false:

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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let

              y'' +p(x)y' +q(x)y =0                        (1)

and       y′′ +p(x)y′ +q(x)y =g(x)≠0               (2)

True or false:

  1. If y1 and y2 solve(2), then y= y1-y2 solves(1);

  2. If y1 is a solution of (2), 2y1 is also a solution of (2);

  3. If y1 and y2 are linearly dependent solutions of (1), then y = c1y1 + c2y2 solves (1);

  4. Since y1(x) ≡ 0 is a solution of (1), using reduction of order we can always find the general solution of (1);

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