find an equation for the tangent line to the graph of y=(5-2x)^2 at (3,1).

Write an equation of the tangent line to the curve traced by r(t) = ti + ((t^(2)/ 2) + 3)j + 2tk at the point corresponding to t = 2.

The equation is x^2/4 + y^2/1 = 1. Find the tangent line for the point (1/2, -sqrt15/4)

Find the equation of the tangent line to the graph of x^2y-xy^4=-1830 at (3,5)