The solution of the differential equation \[\frac{dy}{dx}=\sec x(\sec

1.	The solution of the differential equation \[\frac{dy}{dx}=\sec x(\sec x+\tan x)\]is
A.	\[y=\sec x+\tan x+c\]
B.	\[y=\sec x+\cot x+c\]
C.	\[y=\sec x-\tan x+c\]
D.	None of these
Answer» B. \[y=\sec x+\cot x+c\]

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The solution of the differential equation \[\frac{dy}{dx}=\sec x(\sec x+\tan x)\]is

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