JEE MAIN - Mathematics Hindi (2021 - 26th February Evening Shift - No. 7)

यदि x > 0, तो $$f(x) = \int\limits_1^x {{{{{\log }_e}t} \over {(1 + t)}}dt} $$, तो $$f(e) + f\left( {{1 \over e}} \right)$$ के बराबर है :
$${1 \over 2}$$
$$-$$1
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