Question

Persamaan z^2+2(1+j)z+2=0, nyatakan dalam a+jb, a dan b teliti sampai desimal kedua ?

Answer 1

Z² + 2z(1+j) + 2 = 0
2z(1+j) = -(2+z²)
(1+j) = -(2+z²)/2z
(1+j) = -2/2z - z²/2z
(1+j) = -1/z - 1/2
1+j = - 2+z/2z

Answer 2

4(1+j)z+2=0
(41 +4j )z+2=0
(41z +4jz)+2=0
81z + 8jz =0
16 1 jz2