Question [5 points]: The DE: is an exact differential equation if N(x, y) is equal to Select one: N(x, y) = 3y² + N(x, y
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Question [5 points]: The DE: is an exact differential equation if N(x, y) is equal to Select one: N(x, y) = 3y² + N(x, y
Question [5 points]: The DE: is an exact differential equation if N(x, y) is equal to Select one: N(x, y) = 3y² + N(x, y) = 3x² + N(x, y) = y² — N(x, y) = 6y + None of these. sin xy sin xy cos xy cos xy -sin xy) dx = v) 15x + - X : -N(x, y)dy