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प्रश्न
`int (log x)/(log ex)^2` dx = _________
पर्याय
x (1 + log x) + c
`x/(1 + log x) + "c"`
`1/(1 + log x) + "c"`
`1/(1 - log x) + "c"`
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उत्तर
`x/(1 + log x) + "c"`
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