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The Solution of the System of Differential Equations dxdt=x+2ydydt=4x+3y\begin{array} { l } \frac { d x } { d t } = x + 2 y \\\frac { d y } { d t } = 4 x + 3 y\end{array}

Question 25

Multiple Choice

The solution of the system of differential equations dxdt=x+2ydydt=4x+3y\begin{array} { l } \frac { d x } { d t } = x + 2 y \\\frac { d y } { d t } = 4 x + 3 y\end{array} is


A) x=c1e5t/2+c2et,y=c1e5t+c2etx = c _ { 1 } e ^ { 5 t } / 2 + c _ { 2 } e ^ { - t } , y = c _ { 1 } e ^ { 5 t } + c _ { 2 } e ^ { - t }
B) x=c1e5t/2c2et,y=c1e5tc2etx = c _ { 1 } e ^ { 5 t } / 2 - c _ { 2 } e ^ { - t } , y = c _ { 1 } e ^ { 5 t } - c _ { 2 } e ^ { - t }
C) x=c1e5tc2et,y=c1e5t+c2etx = c _ { 1 } e ^ { 5 t } - c _ { 2 } e ^ { - t } , y = c _ { 1 } e ^ { 5 t } + c _ { 2 } e ^ { - t }
D) x=c1e5t+c2et,y=c1e5t+c2etx = c _ { 1 } e ^ { 5 t } + c _ { 2 } e ^ { - t } , y = c _ { 1 } e ^ { 5 t } + c _ { 2 } e ^ { - t }
E) x=c1e5t/2c2et,y=c1e5t+c2etx = c _ { 1 } e ^ { 5 t } / 2 - c _ { 2 } e ^ { - t } , y = c _ { 1 } e ^ { 5 t } + c _ { 2 } e ^ { - t }

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