(a) Evaluate : \int_{-\frac{\pi}{4}}^{\frac{\pi}{4}} \frac{\cos 2 x}{1+\cos 2 x} {\d} x OR (b) Find: \int {\e}^{x^2} (x^5+2 x^3) {\d} x

CBSE Class 12 Math 2023 Delhi Set 2 Solved Paper - Question 12

Question : 12 of 14

Marks: +1, -0

(a) Evaluate :

∫↙{-\;{π}/{4}}↖{\;{π}/{4}} \;{\cos 2 x}/{1+\cos 2 x} {\d} x

OR
(b) Find:

∫ {\e}^{x^2} (x^5+2 x^3) {\d} x

Solution:

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