Advanced Math Archive: Questions from July 11, 2022
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1 (5 marks) Solve = PDE: un 25(x + Uyy), (x, y) = R= [0,3] x [0,2],t> 0, BC: u(x, y, t) = 0 for t> 0 and (x, y) = OR, ICs: u(x, y,0) = 0, u₁(x, y,0) = sin(3ra) sin(47y), (x, y) = R.1 answer -
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Las soluciones de la ecuación en el intervalo [0, 2π) son 2cos²07 cos 0 - 3 2π 3 73 5T 3 No está la respuesta correcta 3πt 4 714 y 76 y y 4π 3 y 714 T3 answers -
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Iterated Integral
\( \int_{1}^{6} \int_{0}^{\ln (y)} f(x, y) d x d y=\int_{0}^{6} \quad \int_{x}^{6} f(x, y) d y d x \)1 answer -
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Compute the following inverse Laplace transform, simplifying your result as much as possible.
L-1 1 s² - 4s +5 1. POR 15 PUNTOS. Calcule la siguiente transformada inversa de la place, L-1 y simplifique al máximo su resultado. O a. O b. 1 s² - 4s + 5 f (t) = et senh(t) f (t) = et sen(t) O c1 answer -
Computing the following inverse transforms with Heaviside Simplifying your result as much as possible, we get: True or false?
1. POR 15 PUNTOS. Al Calcular la siguiente transformadas inversas con Heaviside L-¹ {e=² simplificar resultado, obtenemos f(t) = H (T- π) dicha respuesta es: Seleccione una: O Verdadero 20 у (s -1 answer -
d,f,i,L,o
Exercise 5.7.11 Describe the concavity of the functions below. (a) \( y=x^{2}-x \) (g) \( y=3 x^{2}-\left(1 / x^{2}\right) \) (m) \( y=x+1 / x \) (b) \( y=2+3 x-x^{3} \) (h) \( y=\sin x+\cos x \) (n)1 answer