Question

Two families of curves are said to be

orthogonal trajectories of each other, if
​

Answer 1

Explanation:

Two lines are orthogonal, or perpendicular, if their slopes are negative reciprocals of each other. Curves are said to be perpendicular if their slopes at the point of intersection are perpendicular.

Answer 2

Answer:

Here's your answer.......

Explanation:

Good evening dear friend.......

God bless you......

Always be happy.......