1. Find the second derivative d^2 y/dx^2 as a function of x and y. x^2 +y^2 = 25 2. Find the equation of tangent to the graph of y = x^3 + 2xy at a point where x = -1.
Show transcribed image text1. Find the second derivative d^2 y/dx^2 as a function of x and y. x^2 +y^2 = 25 2. Find the equation of tangent to the graph of y = x^3 + 2xy at a point where x = -1.