Find an equation of the tangent plane at the given point: (2,1) F(r.a) 3²-3,

O Find the equations of the tangent lines to the circle (x + 2)² + (y + 2)² = 25 at the two points where x = 2.

Evaluate the slope at the point (2, 0) for: y² + sin(y) = 3x² - 12

Find the slope of the tangent line to the curve - l2? – 2ay + 4y³ = - 249 at the point (1, – 4).