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प्रश्न
Choose the correct options from the given alternatives :
`int f x^x (1 + log x)*dx`
पर्याय
`(1)/(2)(1 + log x)^2 + c`
x2x + c
xx log x + c
xx + c
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उत्तर
xx + c
[ Hint : `d/dx(x^x)` = xx (1 + log x)].
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