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Question : 66 of 160
Marks:
+1,
-0
Solution:
Let
U=xsin‌x and
V=(sin‌x)x log‌U=sin‌x‌log‌x =+cos‌x‌log‌x =xsin‌x[+cos‌x‌log‌x] Similarly,
log‌V=x‌log‌sin‌x =log‌sin‌x+x‌cot‌x =(sin‌x)x[log‌sin‌x+x‌cot‌x] Therefore,
[xsin‌x+(sin‌x)x]=+ =xsin‌x[+cos‌x‌log‌x] +(sin‌x)x[log‌sin‌x+x‌cot‌x] Thus, no option is correct.
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