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प्रश्न
Choose the correct alternative:
`int "e"^x/sqrt(1 + "e"^x) "d"x` is
विकल्प
`"e"^x/sqrt(1 + "e"^x) + "c"`
`2sqrt(1 + "e"^x) + "c"`
`sqrt(1 + "e"^x) + "c"`
`"e"^x sqrt(1 + "e"^x) + "c"`
उत्तर
`2sqrt(1 + "e"^x) + "c"`
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