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Question
Choose the correct alternative:
If sec2 x is an integrating factor of the differential equation `("d"y)/("d"x) + "P"y` = Q then P =
Options
2 tan x
sec x
cos2x
tan2x
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Solution
2 tan x
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Choose the correct alternative:
Solution of `("d"x)/("d"y) + "P"x = 0`
