The condition for the line y = mx + c to be a tangent to the parabola y² = 4ax is
Q1. The condition for the line y = mx + c to be a tangent to the parabola y² = 4ax is
Answer: c = a/m
Explanation: The condition for tangency is c = a/m, derived by substituting y = mx + c into y² = 4ax and solving for c.