o`zgarmas koeffitsientli chiziqli differensial tenglamalar
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1576320534.doc ' y ' y y y ) y ; w(y 2 1 2 1 2 1 = 1 sin cos cos sin ' y ' y y y 2 1 2 1 - = = x x x x x x x x e e e e y y w 2 1 2 1 2 1 2 1 ) ; ( l l l l l l × × = 2 12 1 11 2 12 1 11 2 1 2 y dx d α y dx d α dx dy α dx dy α dx y d × + × + × + × = 2 12 1 11 2 22 1 21 21 2 12 1 11 …
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