Find the orthogonal trajectories of the family of parabolas y2=4ax. – 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

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