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Q4.3-15E

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Fundamentals Of Differential Equations And Boundary Value Problems
Found in: Page 172
Fundamentals Of Differential Equations And Boundary Value Problems

Fundamentals Of Differential Equations And Boundary Value Problems

Book edition 9th
Author(s) R. Kent Nagle, Edward B. Saff, Arthur David Snider
Pages 616 pages
ISBN 9780321977069

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Short Answer

Find a general solution y''-3y'-11y=0

The general solution of the given equation y''-3y'-11y=0 is y(t)=c1e(3+53)t+c2e(3-53)t.

See the step by step solution

Step by Step Solution

Step 1: Given information.

The differential equation is y''-3y'-11y=0.

Step 2: Finding roots of the auxiliary equation.

Then the auxiliary equation is r2-3r-11=0.

The roots of the auxiliary equation are:

r=3±32-4×-11×12×1r=3±9+442r=3±532

Step 3: Final answer.

Therefore, the general solution is:

y(t)=c1e(3+53)t2+c2e(3-53)t2

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