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Question : 75 of 160
Marks:
+1,
-0
Solution:
Consider the integral.
I=dx ……. (I)
The above integral can be written as
I=dx …… (II)
On addition of equation (I) and (II).
2I=| cos3x+sin3x |
| sin‌x+cos‌x |
dx =(1−‌sin‌2‌x‌ )dx 2I=− ()0 Solve further,
2I=− I=
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