if-U-x-y-2x-x-3-3xy-2-construct-a-complex-analytical-function-the-expression-of-which-is-the-true-part-

Question Number 130102 by mohammad17 last updated on 22/Jan/21

i f U (x, y) = 2 x - x^{3} + 3 {x y}^{2} c o n s t r u c t a c o m p l e x

a n a l y t i c a l f u n c t i o n, t h e e x p r e s s i o n

o f w h i c h i s t h e t r u e p a r t