Question

1) find a solution for a given differential equation y1'=3y1-4y2+20cost ->y1 is not y*1 & y2...

1) find a solution for a given differential equation

y1'=3y1-4y2+20cost ->y1 is not y*1 & y2 is not y*2

y2'=y1-2y2

y1(0)=0,y2(0)=8

2)by setting y1=(theta) and y2=y1', convert the following 2nd order differential equation into a first order system of differential equations(y'=Ay+g)

(theta)''+4(theta)'+10(theta)=0

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