Differential EquationHard
Question
The solution of the differential equation dy/dx = cot2 (x + y) is-
Options
A.y = x + 
sin 2 (x + y) + c
sin 2 (x + y) + cB.y = x − sin 2 (x + y) + c
sin 2 (x + y) + cC.y = x + cos 2 (x + y) − c
cos 2 (x + y) − cD.None of these
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