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1
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3 x2 ey dx + ( x3 ey - 1 ) dy = 0 |
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2
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3
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( 3 x2 + 4 y2 ) dx + ( 8 xy + ey ) dy = 0 |
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4
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5
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6
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( 3 x2 y + 2 y + 3 ) dx + ( x3 + 2 x + 3 y 2 ) dy = 0 |
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7
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8
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[ sin 2x - 2 cos (x + y )] dx - 2 cos ( x + y ) dy = 0 |
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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ey dx + ( cos y + xey ) dy = 0 |
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20
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( y3 + cos x ) dx + ( 3 xy2 + ey ) dy = 0 |
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21
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22
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(5 xy2 - x2 ) dx + ( 5 x2y - y ) dy = 0 |
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23
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[ cos (x + y2 ) + sin x ] dx + 2 y cos (x + y2 ) dy = 0 |
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24
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( x2 - 4 xy - 2 y2 ) dx + ( y2 - 4 xy - 2 x2 ) dy = 0 |
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25
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26
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27
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28
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2 ( 3 xy2 + 2 x3 ) dx + 3 (2 x2y + y2 ) dy = 0 |
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29
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( 3 x3 + 6 x2y + 3 xy2 ) dx + ( 2 x3 + 3 x2y ) dy = 0 |
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30
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xy2 dx + y (x2 + y2 ) dy = 0 |