MCQOPTIONS
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| 1. |
If \[y=\frac{x}{\log \left| cx \right|}\] (where c is an arbitrary constant) I the general solution of the differential equation \[dy/dx=y/x+\phi (x/y)\] then the function \[\phi (x/y)\]is |
| A. | \[{{x}^{2}}/{{y}^{2}}\] |
| B. | \[-{{x}^{2}}/{{y}^{2}}\] |
| C. | \[{{y}^{2}}/{{x}^{2}}\] |
| D. | \[-{{y}^{2}}/{{x}^{2}}\] |
| Answer» E. | |