Question

Am mare nevoie de ajutor,urgent
x+y=-2radical 3
x la 2 -y la 2=4radical6
x-y=?

Answer 1

x+y= -2√3

x² -y²=4√6

(x+y)(x-y)=4√6

=>-2√3· (x-y)=4√6

x-y=4√6/(-2√3)

x-y= -2√2