9 3 Cont
Orthogonal trajectories
30 Find orthogonal trajectories to thefamily of curves given byy K X orthogonal means perpendicular
tangent lines fLy hay 34 2 negative reciprocal slopes
disF Z k Ey
K can represent any real number so weneed to replace it
if 6 3 K 4So days Z Ep days 32ft
def 25g 3 y dy 2x dxZzy X't C
2 235
