UPSC NDA Math Model Paper 4

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Question : 15 of 120

Marks: +1, -0

The value of ∫

(x+1)

x(xex+1)

dx is equal to:

log(
1+xex
xex
)+C
log[xex(1+xex)]+C
log(
1
1+xex
)+C
log(
xex
1+xex
)+C

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