<item ident="C4-5611" title="C4 | Homogeneous second-order linear IVP | ver. 5611"> <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?0 = {x''} + 4 \, {x} \hspace{2em} {x} (0)= 3 , {x} '(0)= -8" alt="0 = {x''} + 4 \, {x} \hspace{2em} {x} (0)= 3 , {x} '(0)= -8" title="0 = {x''} + 4 \, {x} \hspace{2em} {x} (0)= 3 , {x} '(0)= -8" data-latex="0 = {x''} + 4 \, {x} \hspace{2em} {x} (0)= 3 , {x} '(0)= -8"/> </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?7 \, {y'} = {y''} + 10 \, {y} \hspace{2em} {y} (0)= -3 , {y} '(0)= -3" alt="7 \, {y'} = {y''} + 10 \, {y} \hspace{2em} {y} (0)= -3 , {y} '(0)= -3" title="7 \, {y'} = {y''} + 10 \, {y} \hspace{2em} {y} (0)= -3 , {y} '(0)= -3" data-latex="7 \, {y'} = {y''} + 10 \, {y} \hspace{2em} {y} (0)= -3 , {y} '(0)= -3"/> </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?0%20=%20%7Bx''%7D%20+%204%20%5C,%20%7Bx%7D%20%5Chspace%7B2em%7D%20%7Bx%7D%20(0)=%203%20,%20%7Bx%7D%20'(0)=%20-8" alt="0 = {x''} + 4 \, {x} \hspace{2em} {x} (0)= 3 , {x} '(0)= -8" title="0 = {x''} + 4 \, {x} \hspace{2em} {x} (0)= 3 , {x} '(0)= -8" data-latex="0 = {x''} + 4 \, {x} \hspace{2em} {x} (0)= 3 , {x} '(0)= -8"> </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?7%20%5C,%20%7By'%7D%20=%20%7By''%7D%20+%2010%20%5C,%20%7By%7D%20%5Chspace%7B2em%7D%20%7By%7D%20(0)=%20-3%20,%20%7By%7D%20'(0)=%20-3" alt="7 \, {y'} = {y''} + 10 \, {y} \hspace{2em} {y} (0)= -3 , {y} '(0)= -3" title="7 \, {y'} = {y''} + 10 \, {y} \hspace{2em} {y} (0)= -3 , {y} '(0)= -3" data-latex="7 \, {y'} = {y''} + 10 \, {y} \hspace{2em} {y} (0)= -3 , {y} '(0)= -3"> </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} = 3 \, \cos\left(2 \, t\right) - 4 \, \sin\left(2 \, t\right)" alt="{x} = 3 \, \cos\left(2 \, t\right) - 4 \, \sin\left(2 \, t\right)" title="{x} = 3 \, \cos\left(2 \, t\right) - 4 \, \sin\left(2 \, t\right)" data-latex="{x} = 3 \, \cos\left(2 \, t\right) - 4 \, \sin\left(2 \, 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(5 \, t\right)} - 4 \, e^{\left(2 \, t\right)}" alt="{y} = e^{\left(5 \, t\right)} - 4 \, e^{\left(2 \, t\right)}" title="{y} = e^{\left(5 \, t\right)} - 4 \, e^{\left(2 \, t\right)}" data-latex="{y} = e^{\left(5 \, t\right)} - 4 \, 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=%203%20%5C,%20%5Ccos%5Cleft(2%20%5C,%20t%5Cright)%20-%204%20%5C,%20%5Csin%5Cleft(2%20%5C,%20t%5Cright)" alt="{x} = 3 \, \cos\left(2 \, t\right) - 4 \, \sin\left(2 \, t\right)" title="{x} = 3 \, \cos\left(2 \, t\right) - 4 \, \sin\left(2 \, t\right)" data-latex="{x} = 3 \, \cos\left(2 \, t\right) - 4 \, \sin\left(2 \, 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=%20e%5E%7B%5Cleft(5%20%5C,%20t%5Cright)%7D%20-%204%20%5C,%20e%5E%7B%5Cleft(2%20%5C,%20t%5Cright)%7D" alt="{y} = e^{\left(5 \, t\right)} - 4 \, e^{\left(2 \, t\right)}" title="{y} = e^{\left(5 \, t\right)} - 4 \, e^{\left(2 \, t\right)}" data-latex="{y} = e^{\left(5 \, t\right)} - 4 \, e^{\left(2 \, t\right)}"> </p> </div> </mattext> </material> </flow_mat> </itemfeedback> </item>