A) \[\sqrt{2}-1\]
B) \[\sqrt{2}\]
C) 1
D) \[\frac{1}{\sqrt{2}}\]
Correct Answer: A
Solution :
[a] IF \[={{e}^{-x}}\] \[\therefore y{{e}^{-x}}=\int{{{e}^{-x}}(cosx-sinx)dx}\] Put \[-x=t\]You need to login to perform this action.
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