Advanced Math Archive: Questions from April 01, 2023
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#13
9-24 Find the exact length of the curve. 9. \( y=\frac{2}{3} x^{3 / 2}, \quad 0 \leqslant x \leqslant 2 \) 10. \( y=(x+4)^{3 / 2}, \quad 0 \leqslant x \leqslant 4 \) 11. \( y=\frac{2}{3}\left(1+x^{2}\2 answers -
Analyze the continuity of the function
I. Analice la continuidad de la función a) \( f(x, y, z)=\frac{z}{x^{2}+y^{2}-4} \) b) \( f(x, y)=\left\{\begin{array}{c}\frac{\operatorname{sen}(x y)}{x y}, x y \neq 0 \\ 1, x y=0\end{array}\right.2 answers -
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Evaluate \( \iiint_{B}(x y+y z+x z) d V \) \[ B=\{(x, y, z) \mid 0 \leq x \leq 4,0 \leq y \leq 2,0 \leq z \leq 10\} \]2 answers -
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P = 122 L = 117 K = 122 Año de referencia = 1902
En el año de 1928 Charles Cobb y Paul Douglas publicaron un estudio en el que modelaban el crecimiento de la economía norteamericana durante el periodo entre 1899 y 1922 de la forma \( P(L, K)=1.012 answers -
p = 1.98 q = 1.88 r = 3.96
Para la función \( T=\frac{v}{2 u+v} \) dónde, \( u=p q \sqrt{r}, u=p r \sqrt{q} \); usa la regla de la cadena para calcular las derivadas parciales \( \frac{\partial T}{\partial p^{\prime}}, \frac{2 answers -
x1 = 3 y1 = -4 z1 = 1
Si se tiene la función \( f(x, y, z)=x \sin (y z) \), determina a. el gradiente de \( f \) (definido como \( \nabla f \) ) b. la derivada direccional de \( f \) (definida como \( D_{u} f(x, y, z) \)2 answers -
If \( y=\ln e^{2 x^{3}} \), then \( y^{\prime}= \) ? Select one: a. \( y=5 x^{2} \) b. \( 6 x^{2} \) c. \( 6 x^{2} \ln e^{2 x^{3}} \) d. \( 2 x^{3} \)2 answers -
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8. \( \sec x=2, \quad x \) in Quadrant IV 27. \( \sin \frac{9 \pi}{8} \) b. \( 2 \sin 3 \theta \cos 3 \theta \) 8. \( \cos x=-\frac{4}{5}, \quad 180^{\circ}2 answers -
2) Solve the following initial value proḅlem using the Laplace transform. a) \( y^{\prime \prime}+2 y^{\prime}-3 y=4 \quad y(0)=0 \quad y^{\prime}(0)=4 \) b) \( y^{\prime \prime}-4 y^{\prime}+3 y=e^2 answers -
Please solve number 36
35. \( y^{\prime \prime}+3 t y^{\prime}-6 y=1 ; \quad y(0)=0, \quad y^{\prime}(0)=0 \) 36. \( t y^{\prime \prime}-t y^{\prime}+y=2 ; \quad y(0)=2, \quad y^{\prime}(0)=-1 \)2 answers