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OpenStudy (anonymous):
The Differential Equation −2x′′′+2x′′+18x′−18x=0 can be expressed as a system of first order equations by letting x1=x, x2=x′, x3=x′′. The system has the form X′=AX where A has entries:
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OpenStudy (anonymous):
waaaat? why so many students ask about this stuff today? @UsukiDoll can you help?
OpenStudy (usukidoll):
but we need your advice lol
OpenStudy (usukidoll):
XD share the knowledge before I eat lunch
OpenStudy (usukidoll):
at least after #8 4.4 I got two sections done :D
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