https://kelasinspirasi.com/jawaban-jika-xy-memenuhi-sistem-yx-1xy12-3yx-1-xy1-3-maka-x2-xyy22xy-tolong-jelask/
Jawaban Jika (x,y) memenuhi sistem (Y/x-1)+(x/y+1)=2 (-3y/x-1)-(x/y+1)=-3 Maka x^2-xy+y^2/2xy= Tolong jelask...