MCQOPTIONS
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| 1. |
Find the orthogonal trajectories of the family of parabolas y2=4ax. |
| A. | 2x<sup>2</sup>+y<sup>2</sup>=k |
| B. | 2y<sup>2</sup>+x<sup>2</sup>=k |
| C. | x<sup>2</sup>-2y<sup>2</sup>=k |
| D. | 2x<sup>2</sup>-y<sup>2</sup>=k |
| Answer» B. 2y<sup>2</sup>+x<sup>2</sup>=k | |