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प्रश्न
Choose the correct alternative:
The integrating factor of the differential equation `("d"y)/("d"x) + "P"x` = Q is
विकल्प
`"e"^(int Pdx)`
`int Pdx`
`int Pdy`
`"e"^(int Pdy)`
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उत्तर
`"e"^(int Pdx)`
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