(h) Let u(x, t) be given by u(x, t) = a, cos(3nt) cos(2nx). [ an n=1 If u(x, 0) = cos(4x), 0≤x≤/2. Then an = [1, n = 1 (A

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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(h) Let u(x, t) be given by
u(x, t) =an cos(3nt) cos(2nx).
n=1
If u(x,0) = cos(4x), 0≤x≤r/2. Then a₁ =
f1, n = 1
(A)
0, n #1
n = 3
0, n #3
(C)
{$.
(B)
(D)
teristics
1, n = 2
0, n #2
(1,
0,
n = 4
n #4
Transcribed Image Text:(h) Let u(x, t) be given by u(x, t) =an cos(3nt) cos(2nx). n=1 If u(x,0) = cos(4x), 0≤x≤r/2. Then a₁ = f1, n = 1 (A) 0, n #1 n = 3 0, n #3 (C) {$. (B) (D) teristics 1, n = 2 0, n #2 (1, 0, n = 4 n #4
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