Advanced Math Archive: Questions from August 05, 2023
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Encuentre la solución general de la siguiente ecuación 4x 2 + xy - 3y 2 + y'(-5x 2 + 2xy + y 2 ) = 02 answers
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Use la reducción de orden para encontrar una segunda solución y 2 (x) y'' + 2y' + y = 0; y 1 = xe -x2 answers
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2) Match the equations with the graphs: a) \( 3 y-1=2\left(\frac{2}{3} x-y\right) \) b) \( y+2=2\left(\frac{2}{5} x+y\right) \) a \( n+1-2 r^{2}-\cdots \)2 answers -
1. Draw the contours of (i) \( f(x, y)=x^{2}-y \) for the values \( -2,-1,0,1 \) and 2 . (ii) \( \mathrm{f}(\mathrm{x}, \mathrm{y})=\mathrm{x}+\mathrm{y} \) for the values \( 0,1,2,3 \) and 4 .2 answers -
Let \( g(x, y)=(5 x+2 y)^{10} \). Find \( g_{x}(x, y) \). \[ \begin{array}{l} g_{x}(x, y)=20 y^{9} \\ g_{x}(x, y)=1024 \\ g_{x}(x, y)=50(5 x+2 y)^{9} \\ g_{x}(x, y)=10(5 x+2 y)^{9} \end{array} \]2 answers -
Find \( y^{\prime} \) if \( y=\frac{x^{6}-5 x^{5}+4}{x^{3}} \) \[ y^{\prime}= \] Differentiate the function. \[ y=\left(2 x^{4}-x+1\right)\left(-x^{5}+7\right) \] \[ y^{\prime}= \]2 answers -
5-Solve the system of ODE's \[ \begin{array}{c} x^{\prime}=5 x-y \\ y^{\prime}=3 x+y \\ x(0)=2, y(0)=-1 \end{array} \]0 answers -
Find the maximum value of the function \( f(x, y)=x+y \) subject to the con-straint \( x^{2}+y^{4}=2 \).2 answers