Please solve:
1) solve using Maclauren serie y' = - xy : y( 0) = 1 : y' (0) = 0
2) D^2 y / dt^2 = x-2 and d^2 x / d t^2 = y+2
3) ( D^2 -1 ) y =x^2 e^x (I dont know exactly but it says chaging parameters.?)
4) Y' + y = 2 sin x -3 e^2 (solve this using the method of undetermined coefficents)
(The links show other places I've posted these questions.)
1) solve using Maclauren serie y' = - xy : y( 0) = 1 : y' (0) = 0
2) D^2 y / dt^2 = x-2 and d^2 x / d t^2 = y+2
3) ( D^2 -1 ) y =x^2 e^x (I dont know exactly but it says chaging parameters.?)
4) Y' + y = 2 sin x -3 e^2 (solve this using the method of undetermined coefficents)
(The links show other places I've posted these questions.)
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