ℂ→(📈=📉📈=−📉)🤝

#cauchy riemann conditions #complex analysis #complex differentiability #analytic conditions #partial derivative relations #holomorphicity test

∂u/∂x=∂v/∂y∂u/∂y=-∂v/∂x

#cauchy riemann equations #complex analysis #partial derivatives #pde #holomorphic #analytic function #complex differentiability #u_x=v_y #u_y=-v_x