UPSC NDA I 2022 Mathematics Solved Paper

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Question : 63 of 120

Marks: +1, -0

If I1=∫‌

exdx

ex+e−x

and I2=∫‌

dx

e2x+1

, then what is I1+I2 equal to ?

[NDA-I 2022]

‌
x
2
+c
x+c
ln(ex+e−x)+c
ln(ex−e−x)+c

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