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dy 2. The solution of the differential equation 2x-y 3 represents a family of dx A. straight lines B. circles C. parabolas D. ellipses

dy 2. The solution of the differential equation 2x-y 3 represents a family of dx A. straight lines B. circles C. parabolas D. ellipses 3. The integrating factor of the differential equation (xIn x)+y 2 In x is dy dx A. C. In (In x) B. In x D. x dx dy O is * y 4. Solution of the differential equation A. x' +yl B. (In x)(In ) = e C. xy = D. x+y =

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