D)
y
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cos x sin x .
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3
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3
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295.
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Koshi masalasini yeching: y 3y 0, y(0) 1, y(0) 3 .
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A) y 1 2e3 x ;
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B)* y 2 e3 x ;
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C) y 1 2e3 x ;
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D) y 2 e3 x .
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3
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3
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296.
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Koshi masalasini yeching :
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9 y
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y 0,
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y
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2, y
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0.
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2
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2
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A) y 3sin
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x
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;
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B)* y 2sin
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x
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;
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C) y 2sin 3x ;
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D)
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y 2cos
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x
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.
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3
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3
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2
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297.
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y IY 16 y 0 tenglamani yechimini toping.
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A) y C e2 x
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C
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e2 x ;
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B) * y C e2 x C
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e2 x
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C cos2x C
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4
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sin 2x;
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C)
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1
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2
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sin 2x;
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1
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2
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3
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y e2 x C cos2x C
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2
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D) y C C
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cos2x C C
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sin 2x .
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1
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1
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2
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3
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4
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298.
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Xarakteristik
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tenglamasi
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k1, 2 0, k3, 4
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2 i
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yechimlarga ega
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bo’lgan
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differensial tenglamani tuzing.
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