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NDA Mathematics 10 April 2022
MCQ (Single Correct Answer)
+2.5
-0.83
If $I_1 =\int\frac{e^x dx}{e^x + e^{-x}}$ and $I_2 =\int\frac{dx}{e^{2x} + 1},$then what is I1 + I2 equal to?
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