<item ident="S2-7726" title="S2 | Linear ODE system with elimination | ver. 7726">
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<presentation>
<material>
<mattextxml>
<div class="exercise-statement">
<p>
<strong>S2.</strong>
</p>
<p>Find the solution to the given system of IVPs.</p>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?-{x} = -{x'} - 2 \, {y} \hspace{2em}x(0)= -1" alt="-{x} = -{x'} - 2 \, {y} \hspace{2em}x(0)= -1" title="-{x} = -{x'} - 2 \, {y} \hspace{2em}x(0)= -1" data-latex="-{x} = -{x'} - 2 \, {y} \hspace{2em}x(0)= -1"/>
</p>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?0 = 2 \, {x} + {y'} + 2 \, {y} \hspace{2em}x(0)= 3" alt="0 = 2 \, {x} + {y'} + 2 \, {y} \hspace{2em}x(0)= 3" title="0 = 2 \, {x} + {y'} + 2 \, {y} \hspace{2em}x(0)= 3" data-latex="0 = 2 \, {x} + {y'} + 2 \, {y} \hspace{2em}x(0)= 3"/>
</p>
</div>
</mattextxml>
<mattext texttype="text/html"><div class="exercise-statement">
<p>
<strong>S2.</strong>
</p>
<p>Find the solution to the given system of IVPs.</p>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?-%7Bx%7D%20=%20-%7Bx'%7D%20-%202%20%5C,%20%7By%7D%20%5Chspace%7B2em%7Dx(0)=%20-1" alt="-{x} = -{x'} - 2 \, {y} \hspace{2em}x(0)= -1" title="-{x} = -{x'} - 2 \, {y} \hspace{2em}x(0)= -1" data-latex="-{x} = -{x'} - 2 \, {y} \hspace{2em}x(0)= -1">
</p>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?0%20=%202%20%5C,%20%7Bx%7D%20+%20%7By'%7D%20+%202%20%5C,%20%7By%7D%20%5Chspace%7B2em%7Dx(0)=%203" alt="0 = 2 \, {x} + {y'} + 2 \, {y} \hspace{2em}x(0)= 3" title="0 = 2 \, {x} + {y'} + 2 \, {y} \hspace{2em}x(0)= 3" data-latex="0 = 2 \, {x} + {y'} + 2 \, {y} \hspace{2em}x(0)= 3">
</p>
</div>
</mattext>
</material>
<response_str ident="response1" rcardinality="Single">
<render_fib>
<response_label ident="answer1" rshuffle="No"/>
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<itemfeedback ident="general_fb">
<flow_mat>
<material>
<mattextxml>
<div class="exercise-answer">
<h4>Partial Answer:</h4>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?x= -2 \, e^{\left(2 \, t\right)} + e^{\left(-3 \, t\right)}" alt="x= -2 \, e^{\left(2 \, t\right)} + e^{\left(-3 \, t\right)}" title="x= -2 \, e^{\left(2 \, t\right)} + e^{\left(-3 \, t\right)}" data-latex="x= -2 \, e^{\left(2 \, t\right)} + e^{\left(-3 \, t\right)}"/>
</p>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?y= e^{\left(2 \, t\right)} + 2 \, e^{\left(-3 \, t\right)}" alt="y= e^{\left(2 \, t\right)} + 2 \, e^{\left(-3 \, t\right)}" title="y= e^{\left(2 \, t\right)} + 2 \, e^{\left(-3 \, t\right)}" data-latex="y= e^{\left(2 \, t\right)} + 2 \, e^{\left(-3 \, t\right)}"/>
</p>
</div>
</mattextxml>
<mattext texttype="text/html"><div class="exercise-answer">
<h4>Partial Answer:</h4>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?x=%20-2%20%5C,%20e%5E%7B%5Cleft(2%20%5C,%20t%5Cright)%7D%20+%20e%5E%7B%5Cleft(-3%20%5C,%20t%5Cright)%7D" alt="x= -2 \, e^{\left(2 \, t\right)} + e^{\left(-3 \, t\right)}" title="x= -2 \, e^{\left(2 \, t\right)} + e^{\left(-3 \, t\right)}" data-latex="x= -2 \, e^{\left(2 \, t\right)} + e^{\left(-3 \, t\right)}">
</p>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?y=%20e%5E%7B%5Cleft(2%20%5C,%20t%5Cright)%7D%20+%202%20%5C,%20e%5E%7B%5Cleft(-3%20%5C,%20t%5Cright)%7D" alt="y= e^{\left(2 \, t\right)} + 2 \, e^{\left(-3 \, t\right)}" title="y= e^{\left(2 \, t\right)} + 2 \, e^{\left(-3 \, t\right)}" data-latex="y= e^{\left(2 \, t\right)} + 2 \, e^{\left(-3 \, t\right)}">
</p>
</div>
</mattext>
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