Răspunsuri

2014-06-19T13:51:23+03:00
(2-m)^2 + (m+2)^2 = 16
4-4m+m^2 + m^2+4m+4-16=0
2m^2-8=0
2(m^2-4)=0
2(m-2)(m+2)=0
Sol:m=2 si m=-2