1.

The orthogonal trajectories of the family of curves \(\rm y=ax^2\) is

A. \(\rm x^2-2y^2=c^2\)
B. \(\rm y^2-2x^2=c^2\)
C. \(\rm x^2+2y^2=c^2\)
D. \(\rm y^2+2x^2=c^2\)
Answer» D. \(\rm y^2+2x^2=c^2\)


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