MADLINEPURIE1976 MADLINEPURIE1976 27-09-2022 Mathématiques Answered salut aidez moi svpppmontrer que:[tex] {3x}^{2} + {2y}^{2} + {z}^{2} + 2xz + 2yz - 2x - 2y + 5 = 0[/tex]
