Ответ:
0
Х-у=4
ху+у²=6
х=4+у
(4+у) у+у²=6
2 у²+4 у-6=0 |:2
у²+2 у-3=0
D=4-4*1 * (-3) = 4+12=16
√D=4
Y1 = (-2+4) / 2=1
Y2 = (-2-4) / 2=-3
X1=5
X2=1
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Answers & Comments
Ответ:
0
Х-у=4
ху+у²=6
х=4+у
(4+у) у+у²=6
2 у²+4 у-6=0 |:2
у²+2 у-3=0
D=4-4*1 * (-3) = 4+12=16
√D=4
Y1 = (-2+4) / 2=1
Y2 = (-2-4) / 2=-3
X1=5
X2=1