Solve the differential equation: yy'+ 25x = 0 .
Solve the initial value problem: y''+ y'− 6y = 0 , y(0) = 10 , y'(0) = 0 .
Solve the initial value problem: y'''+ 3y''+ 3y'+ y = 36e−x , y(0) = 2 , y'(0) = 3 ,
y''(0) = 0 .
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