CUSAT 2021 BTech Solved Paper Shift 1

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Question : 222 of 250

Marks: +1, -0

The solution of sec2xtan2y‌dx+ sec2ytan2xdy=0 is

‌
tan‌x−tan‌y
tan‌x‌tan‌y
=c
‌
tan‌x+tan‌y
tan‌x
=c
‌
tan‌x+tan‌y
tan‌x‌tan‌y
=c
‌
tan‌x+tan‌y
tan‌y
=c

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