WBJEE 2022 Math Solved Paper
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Question : 54 of 75
Marks:
+1,
-0
If I I 1 =
e − x cos 2 x d x , I 2 =
e − x 2 cos 2 x d x , I 3 =
e − x 2 d x , I 4 =
e − x 2 ∕ 2 d x
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