Advanced Math Archive: Questions from June 03, 2023
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Para el problema de valores en la frontera y''+λy=0, y'(0) =0,
y'(π/2) =0, las soluciones son
a) y= cos(2nx),λ=2n,n= 1,2,3...
b) y= sen(2nx),λ=4n^2,n= 1,2,3...
c) y= cos(2nx),λ=4n^2,n= 1,2,3...
e
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Supongamos que z = f (x, y), donde x = g (s,t), y = h(s,t), g
(1,2) = 3, g s (1,2) =-1,
g t (1,2) = 4, h (1,2) = 6, h s (1,2) =
-5, h t (1,2) = 10, f x (3,6) = 7, y f
y (3,6) = 8.
Encuentre ∂z / ∂
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