MCQOPTIONS
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| 1. |
The general solution of the differential equation \[(2x-y+1)dx+(2y-x+1)dy=0\] is [Karnataka CET 2005] |
| A. | \[{{x}^{2}}+{{y}^{2}}+xy-x+y=c\] |
| B. | \[{{x}^{2}}+{{y}^{2}}-xy+x+y=c\] |
| C. | \[{{x}^{2}}-{{y}^{2}}+2xy-x+y=c\] |
| D. | \[{{x}^{2}}-{{y}^{2}}-2xy+x-y=c\] |
| Answer» C. \[{{x}^{2}}-{{y}^{2}}+2xy-x+y=c\] | |