Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Consider applying the method of separation of
variables with u(x, t) = X(x) T(t) to the partial
differential equation
82 u
Əx²
J² u
Ət²
du
Ət
Select the option that gives the resulting pair of
ordinary differential equations (where is a non-zero
separation constant).
Select one:
○ X"(x) = µ, Ï(t) — Ï(t) = µ
○ X" (x) - X'(x) = μ₁ Ï(t) = µ
µ₂
Ο X"(x) = µX(x),
○ X'(x) = µX(x),
○ X" (x) - X'(x) = µX(x), Ï(t) = µT(t)
Ï(t) — Ï(t) = µT(t)
T(t)-Ï(t) = µT(t)
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Transcribed Image Text:Consider applying the method of separation of variables with u(x, t) = X(x) T(t) to the partial differential equation 82 u Əx² J² u Ət² du Ət Select the option that gives the resulting pair of ordinary differential equations (where is a non-zero separation constant). Select one: ○ X"(x) = µ, Ï(t) — Ï(t) = µ ○ X" (x) - X'(x) = μ₁ Ï(t) = µ µ₂ Ο X"(x) = µX(x), ○ X'(x) = µX(x), ○ X" (x) - X'(x) = µX(x), Ï(t) = µT(t) Ï(t) — Ï(t) = µT(t) T(t)-Ï(t) = µT(t)
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