Question

Решите систему уравнений методом переменных под буквой а

Answer 1

$left { {{nm=6} atop {n+m=2}} right. left { {{(5-m)m=6} atop {n=5-m}} right. m^{2} -5m+6 left { {{m=3} atop {n=2}} right. left { {{m=2} atop {n=3}} right. left { {{x+y=3} atop {xy=2}} right. left { {{x+y=2} atop {xy=3}} right. left { {{x=3+- sqrt{17}}{2}} atop {y= frac{3+- sqrt{17} }{2} }} right. left { {{x=2} atop {y=2}} right.$