MCQOPTIONS
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| 1. |
Find the orthogonal trajectories of the family of curves \(\frac{x^2}{a^2} + \frac{y^2}{b^2+k} = 1\) where k is the parameter. |
| A. | x2-y2-3a2 logx-k = 0 |
| B. | x2+2y2–\(\frac{a^2}{2}\) logx-k = 0 |
| C. | x2+y2-2a2 logx-k = 0 |
| D. | 2x2-y2–\(\frac{a^2}{3}\) logx-k = 0 |
| Answer» D. 2x2-y2–\(\frac{a^2}{3}\) logx-k = 0 | |