Calculus Archive: Questions from December 04, 2023
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\( y^{\prime \prime}+\frac{1}{x} y^{\prime}=\cos x+\frac{\sin x}{x} \) (hint: define \( \left.z=y^{\prime}\right) \)1 answer -
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26. Find y given that y' = 77 2e2x - 1 and y(0) = 0
26. Find \( y \) given that \( y^{\prime}=2 e^{2 x}-1 \) and \( y(0)=0 \)1 answer -
(sin (sin-¹ x)³ /1-x² a) = (sec¹¹ x)² + c 14) dx = b) -3 sin 2x+c c) - (sin ¹ x)² +c d) ninguna de las anteriores.
14) \( \int \frac{\left(\sin ^{-1} x\right)^{3}}{\sqrt{1-x^{2}}} d x= \) a) \( \frac{1}{4}\left(\sec ^{-1} x\right)^{4}+c \) b) \( -3 \sin ^{-2} x+c \) c) \( \frac{1}{4}\left(\sin ^{-1} x\right)^{4}+c1 answer -
\( \begin{array}{l}\text { Find } \frac{d^{2} y}{d x^{2}} \\ 16 x^{2}+y^{2}=4 \\ \frac{d^{2} y}{d x^{2}}=\end{array} \)1 answer -
Given \( f(x, y)=6 x^{6}+5 x^{2} y^{2}-6 y^{4} \) \[ f_{x}(x, y)= \] \[ f_{y}(x, y)= \] \[ f_{x x}(x, y)= \] \[ f_{x y}(x, y)= \]1 answer -
Given \( f(x, y, z)=\sqrt{-3 x+6 y-z} \) \[ \begin{array}{l} f_{x}(x, y, z)= \\ f_{y}(x, y, z)= \\ f_{z}(x, y, z)= \end{array} \]1 answer -
openstax3.3: Problema 5 (1 punto) Use the substitution \( x=2 \tan (\theta) \) to evaluate the indefinite integral \[ \int \frac{75 d x}{x^{2} \sqrt{x^{2}+4}} \] Answer = \( +C \)1 answer -
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If \( \mathbf{F}(x, y, z)=x z \mathbf{i}+x y z \mathbf{j}-y^{2} \mathbf{k} \), find cuer \( \vec{F} \)1 answer -
Given \( f(x, y)=-x^{4}+2 x y^{2}+3 y^{3} \) \[ \begin{array}{l} f_{x}(x, y)= \\ f_{y}(x, y)= \end{array} \] Question Help:1 answer -
Find the vector equation for the line of intersection of the planes \( 5 x+2 y+z=-3 \) and \( 5 x+2 z=-2 \) \[ \begin{array}{r|l|l} \mathbf{r}=1 & 0\rangle+t\langle 4, \quad\rangle . \end{array} \] No1 answer -
fxx fyy fxy II = = fvx = f(x, y) = x³ + x²y² + y² + x + y
\( \begin{array}{l}f(x, y)=x^{5}+x^{2} y^{2}+y^{4}+x+y \\ f_{x x}= \\ f_{y y}= \\ f_{x y}= \\ f_{y x}=\end{array} \)1 answer -
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resolver ej 5
5.- Suponga que un alumno es portador del vinus de la gripe y regresa a un aislado campus de su universidad de 1000 estudiantes. Si despues de 10 dias se identtican que hay 100 estudiantes infectados.1 answer -
resolver ej 5
5.- Suponga que un alumno es portador del vinus de la gripe y regresa a un aislado campus de su universidad de 1000 estudiantes. Si despues de 10 dias se identtican que hay 100 estudiantes infectados.0 answers -
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V = y = √x - 1, y = 0, x = 6; X about the x-axis M
\( y=\sqrt{x-1}, y=0, x=6 ; \quad \) about the \( x \)-axis \[ V= \]1 answer -
Determinar la razón de cambio indicada, utilizando la información que se provee. 1. Determinar \( \frac{d y}{d t} \) si: \( y=\sqrt{\frac{3}{5} x-3}, \frac{d x}{d t}=-4 \) cuando \( x=20 \).1 answer -
(6 pts) Mientras está bajo la acción de una fuerza \( \vec{F}(x, y)=(3+2 x y) \hat{i}+\left(x^{2}-3 y^{2}\right) \hat{j} \) unz partícula recorre la curva \( \mathrm{C} \) definida por \( \vec{r}(t1 answer -
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1. Find the following for the function \( f(x, y)=3 x^{3} y^{2}-5 x+26 y-9 \). a. \( f(1,2)= \) b. \( f_{y}(x, y)= \) c. \( f_{x}(x, y)= \) d. \( f_{x}(1,2)= \) e. \( f_{y y}(x, y)= \) f. \( f_{x x}(x1 answer -
6. Given \( \vec{F}(x, y)=\left\langle 2 x-y e^{-x}, e^{-x}+2 y\right\rangle \), determine if \( \vec{F}(x, y) \) is conservative.1 answer -
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Evaluate \( \iiint_{B} f(x, y, z) d V \) for the specified function \( f \) and \( \mathcal{B} \) : \[ \begin{array}{l} f(x, y, z)=\frac{z}{x} \quad 3 \leq x \leq 9,0 \leq y \leq 8,0 \leq z \leq 4 \\1 answer -
\( \begin{array}{l}\mathbf{r}(\mathbf{F} \times \mathbf{G})=\nabla \times(\mathbf{F} \times \mathbf{G}) \\ \mathbf{F}(x, y, z)=\mathbf{i}+9 x \mathbf{j}+4 y \mathbf{k} \\ \mathbf{G}(x, y, z)=x \mathbf1 answer -
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Encuentra la derivada indicada:
\( z=\cos (3 x+4 y) ; \quad x=2 t+\frac{\pi}{2}, y=-t-\frac{\pi}{4} ;\left.\quad \frac{d z}{d t}\right|_{t=\pi} \)1 answer -
Determina las derivadas parciales indicadas
\( \begin{array}{l}w=\sqrt{x^{2}+y^{2}} ; \quad x=\ln (r s+t u) \\ y=\frac{t}{u} \cosh r s ; \quad \frac{\partial w}{\partial t}, \frac{\partial w}{\partial r}, \frac{\partial w}{\partial u}\end{array1 answer -
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Find \( \mathbf{a}+\mathbf{b}, 9 \mathbf{a}+7 \mathbf{b},|\mathbf{a}| \), and \( |\mathbf{a}-\mathbf{b}| \). \[ \mathbf{a}=9 \mathbf{i}-8 \mathbf{j}+7 \mathbf{k}, \quad \mathbf{b}=7 \mathbf{i}-9 \math1 answer -
1. Una chiringa está volando a una altura constante de 180 pies sobre la niña que juega con ésta. Si el ángulo entre la niña y el hilo está decreciendo a una razón de 0.001 radianes \( / \mathr1 answer -
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\[ \int \frac{d x}{x^{3}\left(x^{2}-9\right)^{5 / 2}} ? \] (A) \( \int \frac{\cos ^{6}(\theta)}{3^{7} \sin ^{4}(\theta)} d \theta \) (B) \( \int \frac{\cos ^{7}(\theta)}{3^{7} \sin ^{5}(\theta)} d \th1 answer -
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Find the derivative of the following: \[ \begin{array}{l} y=\frac{\cos x}{1-\sin x} \\ y^{\prime}=-\sin x-\csc ^{2} x \\ y^{\prime}=\frac{\sin x}{1-\cos x} \\ y^{\prime}=\frac{1}{1-\sin x} \\ y^{\prim1 answer -
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Given \( f(x, y)=3 x^{5}+4 x y^{2}+y^{4} \), find the following numerical values: \[ f_{x}(2,2)= \] \[ f_{y}(2,2)= \]1 answer -
Given \( f(x, y)=-6 x^{5}+6 x^{2} y^{3}-4 y^{4} \) \[ \begin{array}{l} f_{x}(x, y)= \\ f_{y}(x, y)= \\ f_{x x}(x, y)= \\ f_{x y}(x, y)= \end{array} \]1 answer -
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Encuentre el volumen generado al rotar el área encerrada por \( y=x^{2}, y=2 \) alrededor del eje \( \mathrm{y} \).1 answer -
Calcular el volumen generado por \( y=\operatorname{sen} x \), al giraralrededor del eje \( \mathrm{x} \) de 0 a \( \pi \)1 answer -
Find the interval and radius of convergence for:
9) Halla el intervalo y el radio de convergencia para: a) \( \sum_{n=1}^{\infty} \frac{(-1)^{n} x^{n}}{(n+1) 4^{n}} \)1 answer -
Given F(x)=f(y³ sin(y))dy, find F'(x): F'(x) = || I
Given \( F(x)=\int_{6}^{e^{x}}\left(y^{3} \sin (y)\right) d y \), find \( F^{\prime}(x) \) : \[ F^{\prime}(x)= \]1 answer -
1. For \( F(x, y)=4 x^{2} y-5 x y^{3} \), \[ F_{\mathbf{x}}(\mathbf{x}, \mathbf{y})= \] \[ F_{x}(4,1)= \] \[ F_{y}(x, y) \] \[ F_{y}(2,1) \]1 answer -
2. For \( C(x, y)=4 x^{2}+6 x^{3}-10 \), \[ C_{x}(x, y)= \] \[ C_{x y}(x, y)= \] \[ C_{x y}(2,1)= \] \[ C_{y}(x, y) \] \[ C_{y x}(x, y)= \] \[ C_{y x}(2,1)= \]1 answer -
Find the derivatives of each function. Problem 1: \( y=\sqrt{1+\cot ^{2} x} \) Problem \( 2: y=\frac{e^{2 t}}{1+e^{2 t}} \) Problem 3: \( y=(p+3)^{2} \sin p^{2} \) Problem \( 4: \sqrt[3]{x}+\sqrt[3]{y1 answer -
24. F(x, y, z)=xzi+z¹j+yk, r(t) = e¹i + e^j+e'k, −1≤/<] = =
\( \begin{array}{l}\mathbf{F}(x, y, z)=x z \mathbf{i}+z^{3} \mathbf{j}+y \mathbf{k}, \\ \mathbf{r}(t)=e^{t} \mathbf{i}+e^{2 t} \mathbf{j}+e^{t} \mathbf{k}, \quad-1 \leqslant t \leqslant 1\end{array} \0 answers -
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21-24 Evaluate the line integral \( \int_{C} \mathbf{F} \cdot d \mathbf{r} \), where \( C \) is given by the vector function \( \mathbf{r}(t) \). 21. \[ \begin{array}{l} \mathbf{F}(x, y)=x y^{2} \math1 answer -
Given \( f(x, y)=4 x^{4}-x^{2} y^{3}+y^{6} \) \[ f_{x}(x, y)= \] \[ f_{y}(x, y)= \] \[ \begin{array}{l} f_{x x}(x, y)= \\ f_{x y}(x, y)= \end{array} \]1 answer -
14. Enuncie la diagonal principal de a. \( \left[\begin{array}{rrrr}1 & 4 & -2 & 0 \\ 7 & 0 & 4 & -1 \\ -6 & 6 & -5 & 1 \\ 2 & 1 & 7 & 2\end{array}\right] \). b. \( \left[\begin{array}{lll}x & 1 & y \1 answer -
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If \( g(x)=\int_{x}^{1} \sec \left(t^{3}\right) d t \), then \( g^{\prime}(x)= \) \[ \begin{array}{l} \sec \left(x^{3}\right) \\ -\sec \left(x^{3}\right) \\ -3 x^{2} \sec \left(x^{3}\right) \\ \sec (11 answer -
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Determine whether or not the following series converges or diverges. If possible, determine the \( \sum_{n=1}^{\infty}\left(\sin \left(\frac{\pi}{2 n}\right)-\sin \left(\frac{\pi}{2(n+1)}\right)\right1 answer -
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Find the gradient. \[ f(x, y)=5 \ln \left(2 x^{2}+2 y^{2}\right) \] \[ \begin{array}{l} \nabla f=\left(\frac{10 x}{x^{2}+y^{2}}\right) i+\left(\frac{10\left(x^{2}-y^{2}\right)}{\left(x^{2}+y^{2}\right1 answer -
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Given \( f(x, y)=-6 x^{4}+2 x y^{2}+3 y^{5} \), find the following numerical values: \[ f_{x}(4,3)= \] \[ f_{y}(4,3)= \]1 answer -
45. \( F(x)=\int_{0}^{x} \frac{t^{2}}{1+t^{3}} d t \) 47. \( g(x)=\int_{0}^{x^{4}} \cos \left(t^{2}\right) d t \)0 answers -
Use Logarithmic differentiation 1. y = 5(x²-2) In (7x + 1) 2. y = *x5+x3(x2+5x)2 10tan(x) ex²+2
Use Lo:arithmic differentiation 1. \( y=5^{\left(x^{2}-2\right)} \ln (7 x+1) \) 2. \( y=\frac{\sqrt[3]{x^{5}+x^{3}}\left(x^{2}+5 x\right)^{2}}{10^{\tan (x)} e^{x^{2}+2}} \)1 answer -
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Calculate \( \iint_{S} G(x, y, z) d \sigma \) for \[ z=7-y^{2}, \quad 0 \leq x, y \leq 5 ; \quad G(x, y, z)=y \] \[ \iint_{S} G(x, y, z) d \sigma= \]1 answer -
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70 140x-x2 к X 9v x2+y2 dydx =
\( \int_{0}^{70} \int_{x}^{\sqrt{140 x-x^{2}}} 9 \sqrt{x^{2}+y^{2}} d y d x= \)1 answer -
Evaluate 63 4 4 [$³ÏªLª² 47 0 y XCOS Z Z dzdydx.
\( \int_{47}^{63} \int_{0}^{4} \int_{y}^{4} \frac{x \cos z}{z} d z d y d x \)1 answer -
Resuelve las siguientes fracciones parciales y explícalas.
\( \frac{1}{x^{2}-4} \) \( \frac{5-s}{s^{2}+5 s} \) \( s^{2}+5 s+6 \) \( \frac{s^{2}+s-1}{s^{3}-s} \)1 answer -
(1 point) Let \( y=\int_{1-7 x}^{1} \frac{u^{3}}{1+u^{2}} d u \). Use the Fundamental Theorem of Calculus to find \( y^{\prime} \).1 answer