(a) Evaluate : \int_{0}^{2 \pi} {1}/{1+ {\e}^{ \sin x}} {\d} x OR (b) Find : \int \frac{x^4}{(x-1) (x^2+1) } \dx

CBSE Class 12 Math 2023 Delhi Set 1 Solved Paper - Question 28

Question : 28 of 38

Marks: +1, -0

(a) Evaluate :

∫↙{0}↖{2 π} \;{1}/{1+ {\e}^{ sin \;x}} {\d} x

OR
(b) Find :

∫ \;{x^4}/{(x-1) (x^2+1) } \dx

Solution:

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