Problem 3

A: Compute fxx, fyy, for f(x, y) = xcos(x³y).

B: Compute f^²⁰²⁰/x^²⁰²⁰ for f(x, y) =ye^2x. This is saying compute 2,020 first partials of f(x, y) with respect to x, or f_x...x, with 2,020 xs.