<item ident="C4-9455" title="C4 | Homogeneous second-order linear IVP | ver. 9455"> <itemmetadata> <qtimetadata> <qtimetadatafield> <fieldlabel>question_type</fieldlabel> <fieldentry>essay_question</fieldentry> </qtimetadatafield> </qtimetadata> </itemmetadata> <presentation> <material> <mattextxml> <div class="exercise-statement"> <p> <strong>C4.</strong> </p> <p>Explain how to find the particular solution to each given IVP.</p> <ol type="a"> <li> <p style="text-align:center;"> <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?36 \, {x} = -{x''} \hspace{2em} {x} (0)= 1 , {x} '(0)= -12" alt="36 \, {x} = -{x''} \hspace{2em} {x} (0)= 1 , {x} '(0)= -12" title="36 \, {x} = -{x''} \hspace{2em} {x} (0)= 1 , {x} '(0)= -12" data-latex="36 \, {x} = -{x''} \hspace{2em} {x} (0)= 1 , {x} '(0)= -12"/> </p> </li> <li> <p style="text-align:center;"> <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?0 = 10 \, {y} + {y''} - 7 \, {y'} \hspace{2em} {y} (0)= -2 , {y} '(0)= -13" alt="0 = 10 \, {y} + {y''} - 7 \, {y'} \hspace{2em} {y} (0)= -2 , {y} '(0)= -13" title="0 = 10 \, {y} + {y''} - 7 \, {y'} \hspace{2em} {y} (0)= -2 , {y} '(0)= -13" data-latex="0 = 10 \, {y} + {y''} - 7 \, {y'} \hspace{2em} {y} (0)= -2 , {y} '(0)= -13"/> </p> </li> </ol> </div> </mattextxml> <mattext texttype="text/html"><div class="exercise-statement"> <p> <strong>C4.</strong> </p> <p>Explain how to find the particular solution to each given IVP.</p> <ol type="a"> <li> <p style="text-align:center;"> <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?36%20%5C,%20%7Bx%7D%20=%20-%7Bx''%7D%20%5Chspace%7B2em%7D%20%7Bx%7D%20(0)=%201%20,%20%7Bx%7D%20'(0)=%20-12" alt="36 \, {x} = -{x''} \hspace{2em} {x} (0)= 1 , {x} '(0)= -12" title="36 \, {x} = -{x''} \hspace{2em} {x} (0)= 1 , {x} '(0)= -12" data-latex="36 \, {x} = -{x''} \hspace{2em} {x} (0)= 1 , {x} '(0)= -12"> </p> </li> <li> <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=%2010%20%5C,%20%7By%7D%20+%20%7By''%7D%20-%207%20%5C,%20%7By'%7D%20%5Chspace%7B2em%7D%20%7By%7D%20(0)=%20-2%20,%20%7By%7D%20'(0)=%20-13" alt="0 = 10 \, {y} + {y''} - 7 \, {y'} \hspace{2em} {y} (0)= -2 , {y} '(0)= -13" title="0 = 10 \, {y} + {y''} - 7 \, {y'} \hspace{2em} {y} (0)= -2 , {y} '(0)= -13" data-latex="0 = 10 \, {y} + {y''} - 7 \, {y'} \hspace{2em} {y} (0)= -2 , {y} '(0)= -13"> </p> </li> </ol> </div> </mattext> </material> <response_str ident="response1" rcardinality="Single"> <render_fib> <response_label ident="answer1" rshuffle="No"/> </render_fib> </response_str> </presentation> <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} = \cos\left(6 \, t\right) - 2 \, \sin\left(6 \, t\right)" alt="{x} = \cos\left(6 \, t\right) - 2 \, \sin\left(6 \, t\right)" title="{x} = \cos\left(6 \, t\right) - 2 \, \sin\left(6 \, t\right)" data-latex="{x} = \cos\left(6 \, t\right) - 2 \, \sin\left(6 \, 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} = -3 \, e^{\left(5 \, t\right)} + e^{\left(2 \, t\right)}" alt="{y} = -3 \, e^{\left(5 \, t\right)} + e^{\left(2 \, t\right)}" title="{y} = -3 \, e^{\left(5 \, t\right)} + e^{\left(2 \, t\right)}" data-latex="{y} = -3 \, e^{\left(5 \, t\right)} + e^{\left(2 \, 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?%7Bx%7D%20=%20%5Ccos%5Cleft(6%20%5C,%20t%5Cright)%20-%202%20%5C,%20%5Csin%5Cleft(6%20%5C,%20t%5Cright)" alt="{x} = \cos\left(6 \, t\right) - 2 \, \sin\left(6 \, t\right)" title="{x} = \cos\left(6 \, t\right) - 2 \, \sin\left(6 \, t\right)" data-latex="{x} = \cos\left(6 \, t\right) - 2 \, \sin\left(6 \, 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?%7By%7D%20=%20-3%20%5C,%20e%5E%7B%5Cleft(5%20%5C,%20t%5Cright)%7D%20+%20e%5E%7B%5Cleft(2%20%5C,%20t%5Cright)%7D" alt="{y} = -3 \, e^{\left(5 \, t\right)} + e^{\left(2 \, t\right)}" title="{y} = -3 \, e^{\left(5 \, t\right)} + e^{\left(2 \, t\right)}" data-latex="{y} = -3 \, e^{\left(5 \, t\right)} + e^{\left(2 \, t\right)}"> </p> </div> </mattext> </material> </flow_mat> </itemfeedback> </item>