Partial derivative of log √ x 2 y 2 July 8, 2019 16 32 64 128 Partial derivative of log x 2 y 2 Partial derivative of log x 2 y 2 z 2 Partial derivative of ln(x^2+y^2) Partial derivative of a function Partial fractions calculus 2 Derivative of (x+y)^2