9231 P11 - Nov 2016 - Q6 - 9 marks
6321
Find the general solution of the differential equation
\(\frac{\mathrm{d}^{2} x}{\mathrm{~d} t^{2}}+7 \frac{\mathrm{~d} x}{\mathrm{~d} t}+10 x=116 \sin 2 t\)
State an approximate solution for large positive values of \(t\).
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