The equation of the tangent to the ellipse x² + 4y² = 4 at (2, 0) is
Question 1
Q1. The equation of the tangent to the ellipse x² + 4y² = 4 at (2, 0) is
Answer: x = 2
Explanation: The tangent at (x1, y1) is xx1 / a² + yy1 / b² = 1.