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