Question

Show that the curves 4x2 +9y2 = 72, x2 - y2 = 5 cut each other ortogonally​

Answer 1

Step-by-step explanation:

Two curves are said to be orthogonal if their tangent lines are perpendicular at every point of intersection. Two families of curves are said to be orthogonal if every curve in one family is orthogonal to every curve in the other family.