Calculus Archive: Questions from May 02, 2023
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Solve the initial value problem. \[ \theta \frac{d y}{d \theta}+y=5 \sin \theta, \theta>0, y\left(\frac{\pi}{2}\right)=1 \]2 answers -
Evaluate the double integral. \[ \iint_{D} y^{2} d A, \quad D=\{(x, y) \mid-1 \leqslant y \leqslant 1,-y-2 \leqslant x \leqslant y\} \]2 answers -
\( F(x, y, z)=y z-x e^{z}=0 \). Suppose that \( z=z(x, y) \). Compute \( \frac{\partial z}{\partial x} \)2 answers -
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Use Laplace Transtonms to solve the initial value problem (1) \( y^{\prime \prime}+6 y^{\prime}-6 y=0, y(0)=2, y^{\prime}(0)=-2 \) (2A) \( y^{\prime \prime}+9 y=0, y(0)=0, y^{\prime}(0)=3 \) (2B) \( y2 answers -
1) Evalúa las siguientes integrales de línea, aquí considera que \( \mathrm{C} \) es una curva cualquiera de \( A \) a \( B \). a) \( \int_{C} e^{x} \operatorname{sen}(y) d x+e^{x} \cos (y) d y \)2 answers -
4) Halla un campo vectorial conservativo que tenga la función potencial dada en cada uno de los siguientes incisos: b) \( \phi(x, y, z)=x^{2} y e^{-4 z} \)2 answers -
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2. Find the derivatives of the following functions: a) \( y=\frac{\tan 2 x}{x^{3}-3 x} \) \[ y^{\prime}= \] b) \( y=\sin \sqrt{2 x-3} \) \[ y^{\prime}= \] c) \( f(x)=\frac{2}{x}+\sqrt[5]{x^{3}} \) \[2 answers -
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Find y' and y". y = cos(x²) y' = 2x-sin(x²) X 2 y" = 2 sin(x²) - 4x²cos (x²) Need Help? Read It
Find \( y^{\prime} \) and \( y^{\prime \prime} \). \[ \begin{array}{l} y=\cos \left(x^{2}\right) \\ y^{\prime}= \\ y^{\prime \prime}=2 \sin \left(x^{2}\right)-4 x^{2} \cos \left(x^{2}\right) \end{arra2 answers -
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Encuentre el valor de las integrales siguientes utilizando coordenadas polares: \[ \begin{aligned} x & =r \cos \theta \\ y & =r \sin \theta \\ r^{2} & =x^{2}+y^{2} \\ d A & =r d r d \theta \end{aligne2 answers -
Encuentre el valor de las integrales siguientes utilizando coordenadas polares: \[ \begin{aligned} x & =r \cos \theta \\ y & =r \sin \theta \\ r^{2} & =x^{2}+y^{2} \\ d A & =r d r d \theta \end{aligne2 answers -
Encuentre el valor de las integrales siguientes utilizando coordenadas polares: \[ \begin{aligned} x & =r \cos \theta \\ y & =r \sin \theta \\ r^{2} & =x^{2}+y^{2} \\ d A & =r d r d \theta \end{aligne2 answers -
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