Je n'arrive pas à retrouver le bon système car j'ai:
1/(x+yi) - 2(x-yi) + (x+yi) - 1 = 0
1/(x+yi) - 2x + 2yi + x + yi - 1 = 0
1/(x+yi) - x + 3yi - 1 = 0
(x-iy)/(x²+y²) - x + 3iy - 1 = 0
x/(x²+y²) - iy/(x²+y²) - x + 3iy - 1 = 0
[ x/(x²+y²) - x -1 ] + [ 3iy - iy/(x²+y²) ] = 0
[( x - x(x²+y²) - 1(x²+y²)) / (x²+y²)]+[ (3iy(x²+y²) - iy ) / (x²+y²)= 0
[( x - x³ - xy² - x² - y²) / (x²+y²) ] + [ (3iyx² + 3iy² - iy) /(x²+y²) ]= 0
Pouvez-vous m'aidez SVP ?