300. Xarakteristik tenglamasi k1, 2 i,
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k3, 4 2i yechimlarga ega bo’lgan
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differinsial tenglamani tuzing.
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A) y IY 3y 4 y 0 ;
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B) y IY 3y 4 0 ;
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C)* y IY 5y 4 0 ;
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D) y IY 4 0 .
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301. y IY
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2 y y 0 tenglamaning yechimini toping.
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A) y (C C
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)x (C C
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)ex ;
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B)*
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y C C
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x (C C
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x)ex ;
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1
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2
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3
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4
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1
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3
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4
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C) y C C
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x C ex C
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e x ;
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D)
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y C C
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ex .
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1
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2
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3
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302. Xarakteristik tenglamasi k1
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2, k2,3 3i yechimlarga ega bo’lgan differensial
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tenglamani tuzing.
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A) y 9 y y 0 ;
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B)* y 2 y 9 y18y 0 ;
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C) y 9 y 0 ;
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D) y 2 y 9 y18y 0 .
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303. yY 81y 0tenglama yechimini toping.
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A) y C C
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e3 x
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C e3 x ;
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B) * y C C
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e3 x C e3 x C
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4
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cos3x C sin 3x
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;
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1
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2
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3
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1
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2
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3
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5
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C) y C e3 x C
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2
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cos3x C sin 3x;
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D)
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y e3 x
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C cos3x C
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2
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sin 3x.
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1
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3
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1
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304. Xarakteristik tenglamasi k1, 2 0,
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k3, 4 1 2i yechimlarga ega bo’lgan
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differensial tenglamani tuzing.
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A) y IY 2 y 5y 0;
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B) * y IY 2 y 5y 0 ;
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C) y IY 2 y 5y 0;
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D) y 2 y 5y 0 .
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