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
x
y  C y  C y  C y  C e  C cos x  C sin x .
1 1 2 2 3 3 1 2 3

Exercises:

1. To integrate equations:
)a y  4y  3y  0 ; )в y  2y  10y  0 ;
)б y  12y  7y )г y  3y  0 .
;

2. To find the partial decision of equation according to
initial conditions:
) a y  4y  0 ; (0)y  0 , y (0) 10 ;
) б y  6y  9y  0 ; (0)y  0 , y (0)  2 .

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