MCQOPTIONS
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MCQOPTIONS
| 1. |
The differential equation of system of concentric circles with centre (1, 2) is - |
| A. | \(\rm (x-2)+(y-1) \dfrac{dy}{dx}=0\) |
| B. | \(\rm (x-1)+(y-2) \dfrac{dy}{dx}=0\) |
| C. | \(\rm (x-1) \dfrac{dy}{dx}+(y-2)=0\) |
| D. | \(\rm (x-2) \dfrac{dy}{dx}+(y-1)=0\) |
| Answer» C. \(\rm (x-1) \dfrac{dy}{dx}+(y-2)=0\) | |