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.	2x2+y2=k
B.	2y2+x2=k
C.	x2-2y2=k
D.	2x2-y2=k
Answer» B. 2y2+x2=k

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