Calculus Archive: Questions from June 11, 2023
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Which of the following is the correct potential function for the given conservative vector field \( \vec{F} \). \[ \vec{F}=\left(e^{x} \cos y+\frac{y z}{x}\right) \vec{i}+\left(z \ln x-e^{x} \sin y\ri2 answers -
Which of the following is the correct potential function for the given conservative vector field \( \vec{F} \). \[ \vec{F}=\left(e^{x} \cos y+\frac{y z}{x}\right) \vec{i}+\left(z \ln x-e^{x} \sin y\ri2 answers -
Which of the following is the correct potential function for the given conservative vector field \( \vec{F} \). \[ \vec{F}=\left(e^{x} \cos y+\frac{y z}{x}\right) \vec{i}+\left(z \ln x-e^{x} \sin y\ri2 answers -
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Which of the following is the correct potential function for the given conservative vector field \( \vec{F} \). \[ \vec{F}=\left(e^{x} \cos y+\frac{y z}{x}\right) \vec{i}+\left(z \ln x-e^{x} \sin y\ri2 answers -
Use implicit differentiation to find \( d y / d x \). \[ \begin{array}{l} y \cos \left(\frac{1}{y}\right)=4 x+4 y \\ \frac{4 y^{2}}{\sin \left(\frac{1}{y}\right)-4 y^{2}} \\ 4-y \sin \left(\frac{1}{y}2 answers -
5. Determine a particular solution of a) 4y" + 4y + y = 3xe* b) y"" + 4y = 3x - 1
Determine a particular solution of a) \( 4 y^{\prime \prime}+4 y^{\prime}+y=3 x e^{x} \) b) \( y^{\prime \prime \prime}+4 y^{\prime}=3 x-1 \)2 answers -
Find any intercepts. \[ y=x \sqrt{36-x^{2}} \] \( y \)-intercept: \( \quad(x, y)=(\quad \varkappa) \) \( x \)-intercepts: \( \quad(x, y)=(\quad) \quad \) (smallest \( x \)-value)2 answers -
3. Solve this initial value problem \[ y^{\prime \prime}+2 y^{\prime}+10 y=10+9 e^{-t}, y(0)=2, y^{\prime}(0)=2 \]2 answers -
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Encuentre la longitud de la curva y= x^5/6+1/(10x^3) Para 1<= x <=2 la respuesta es 1261/240. Cómo ?2 answers
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5. Calculate the derivatives. (a) \( y=(\arctan (x)+5)^{6} \) (b) \( y=\tan \left(x^{2}+1\right) \cdot \arcsin (x) \) (c) \( y=\ln [\operatorname{arcsec}(x)] \)2 answers -
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Let \[ \int_{0}^{2} f(x) d x=\text { 6, } \int_{0}^{3} f(x) d x=-13, \int_{0}^{2} g(x) d x=-2, \quad \int_{2}^{3} g(x) d x=4 \] Use these values to evaluate the given definite integrals. a) \( \int_{02 answers -
Find all the second partial derivatives. f(x, y) = x³y7 + 9x7y fxx(x, y) = 56x6y7 +378x5y 56y5x7 +63x5 fxy(x, y) = fyx(x, y) = 56x7y6+63x5 fyy(x, y) = 42y5x8 X X
Find all the second partial derivatives. \[ \begin{array}{c} f(x, y)=x^{8} y^{7}+9 x^{7} y \\ f_{x x}(x, y)=56 x^{6} y^{7}+378 x^{5} y \\ f_{x y}(x, y)=56 y^{5} x^{7}+63 x^{5} \\ f_{y x}(x, y)=56 x^{72 answers -
5. Consider the function \( f(x, y)=x^{3} / 3+y^{3} / 3+5 x-y \). Find and classify all critical points of the function \( g(x, y)=|\nabla f(x, y)|^{2} \).2 answers -
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Consider the following. \[ \sin \left((9.85)^{2}+(8.15)^{2}\right)-\sin \left(9^{2}+9^{2}\right) \] Find \( z=f(x, y) \). \[ f(x, y)= \]2 answers -
The following graph shows f, f' and f'' in the same cartesian plane. Which is which? Explain your reasoning.
En la siguiente gráfica se muestran \( f, f^{\prime} \) y \( f \) ' en el mismo plano cartesiano. ¿Cuál es cuál? Explique su razonamiento.2 answers -
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If the slope of a family of curves, at any point (x, y) in the xy plane, is given by y = 4e-2x Find the equation of the curve that passes through the point (0,0).
Si la pendiente de una familia de curvas, en cualquier punto \( (\mathbf{x}, \mathbf{y}) \) del plano \( x y \), está dada por \( y=4 \mathrm{e}^{-2 x} \). Halle la ecuación de la curva que pasa por2 answers -
\( \frac{d y}{d x}=2 x y^{2} \) \( \begin{aligned} y & =-\frac{1}{x^{2}}+c \\ y & =-\frac{1}{x^{2}+c} \\ y & =\frac{2}{x^{2}+c} \\ y & =-\frac{1}{x^{2}}-\frac{1}{c}\end{aligned} \)2 answers -
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Solve the following differential equation by the separable variable method. What is a particular solution if do you know that y(5) = 1? x'y-y and゠ y+1
Resuelva la siguiente ecuación diferencial por el método de variable separable. ¿Cuál es una solución particular si se sabe que \( y(5)=1 \) ? \[ \begin{array}{c} y^{\prime}=\frac{x^{2} y-y}{y+1}2 answers -
calculus limit
(7 puntos) Sea \( f(x)=\left\{\begin{array}{ccc}\sqrt{2-x} & \text { si } & x \leq 0 \\ -\frac{3}{x} & \text { si } & 02 answers -
Integrales en el espacio y Teoremas integrales 1. Sea \( \mathrm{T}=x y^{2} \). Verifica el Teorema del Gradiente, es decir: \[ \int_{\vec{a}}^{\vec{a}}(\vec{\nabla} T) \cdot \overrightarrow{d l}=T(\v2 answers -
We have that y = Ge*x + C,e-2x is the general solution from the equation y" - 2y' - 8y = 0. What are the values of C1 and cz that are obtained by determining a particular solution that satisfies the i
Se tiene que \( y=c_{1} e^{4 x}+c_{2} e^{-2 x} \) es la solución general de la ecuación \( y^{\prime \prime}-2 y^{\prime}-8 y=0 \). ¿Cuáles son los valores de \( \mathbf{c}_{1} \) y \( \mathbf{c}_2 answers -
Find y' for y = 6x³ +7x¯ 1 y' =
Find \( y^{\prime} \) for \( y=6 x^{-3}+7 x^{-1} \) \[ y^{\prime}= \]2 answers -
Porfavor enseñar pasos, gracias con anticipación.
Utilice el teorema del sándwich para cálculos los siguientes límites. \[ \lim _{x \rightarrow+\infty} \frac{\sin (x)}{x}=0 \] b. \( \lim _{x \rightarrow 0} x \cdot \cos \left(\frac{1}{x}\right)=0 \2 answers -
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Enseñar pasos. gracias anticipados.
Determinar el valor de \( \mathrm{k} \) tal que la función sea continua. \[ \begin{array}{r} f(\theta)=\left\{\begin{array}{rr} \sin \theta, & 0 \leq \theta2 answers -
Porfavor enseñar paso. Gracias anticipados.
Calcular la derivada de la función usando la definición. Calcular la ecuación de la tangente a la grafica en \( x=2 \). \[ \begin{array}{l} f(x)=m x+b \\ f(x)=4+8 x-5 x^{2} \\ g(t)=\frac{1}{\sqrt{t2 answers -
Given \( f(x, y)=3 x^{2}-4 x y^{5}-3 y^{4} \), \[ \begin{array}{l} f_{x}(x, y)= \\ f_{y}(x, y)= \end{array} \]2 answers -
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Given \( f(x, y)=-2 x^{5}-6 x^{2} y^{3}-y^{4} \) \[ f_{x}(x, y)= \] \[ f_{y}(x, y)= \] \[ f_{x x}(x, y)= \] \[ f_{x y}(x, y)= \]2 answers -
II. 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.0 answers -
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