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Using the substitution x + y = u and xy - 1 = v, reduce the differential equation (2x + 1)p + (x +

Using the substitution x + y = u and xy - 1 = v, reduce the differential equation (2x + 1)p + (x + 2xy + y + 2)p+2y + 1 = 0 into Clairant's equation and hence find its general solution and singular solution, where dy 1 p=- dx

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