UPSC NDA II 2023 Mathematics Solved Paper

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Consider the following for the next two (02) items that follow :
Let I=
2Ï€
∫
−2π
‌
sin‌4x+cos4x
1+3x
‌dx
[NDA II 2023]
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Question : 62 of 120
 
Marks: +1, -0
What is I equal to?
[NDA II 2023]
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