MCQOPTIONS
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MCQOPTIONS
| 1. |
The function u(x, y) = c which satisfies the differential equationx(dx - dy) + y(dy - dx) = 0, is |
| A. | \(\rm x^2+y^2=xy+c\) |
| B. | \(\rm x^2+y^2 =2xy+c\) |
| C. | \(\rm x^2-y^2=xy+c \) |
| D. | \(\rm x^2 -y^2=2xy+c\) |
| Answer» C. \(\rm x^2-y^2=xy+c \) | |