x*y=-3 x+y=7
Решение
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[TeX]
[pretty]
[text]
x*y = -3
$$x y = -3$$
x + y = 7
$$x + y = 7$$
Быстрый ответ
[TeX]
$$x_{1} = \frac{7}{2} + \frac{\sqrt{61}}{2}$$
=
$$\frac{7}{2} + \frac{\sqrt{61}}{2}$$
=
$$y_{1} = - \frac{\sqrt{61}}{2} + \frac{7}{2}$$
=
$$- \frac{\sqrt{61}}{2} + \frac{7}{2}$$
=
=
$$\frac{7}{2} + \frac{\sqrt{61}}{2}$$
=
7.40512483795333
$$y_{1} = - \frac{\sqrt{61}}{2} + \frac{7}{2}$$
=
$$- \frac{\sqrt{61}}{2} + \frac{7}{2}$$
=
-0.405124837953327
$$x_{2} = - \frac{\sqrt{61}}{2} + \frac{7}{2}$$
=
$$- \frac{\sqrt{61}}{2} + \frac{7}{2}$$
=
$$y_{2} = \frac{7}{2} + \frac{\sqrt{61}}{2}$$
=
$$\frac{7}{2} + \frac{\sqrt{61}}{2}$$
=
=
$$- \frac{\sqrt{61}}{2} + \frac{7}{2}$$
=
-0.405124837953327
$$y_{2} = \frac{7}{2} + \frac{\sqrt{61}}{2}$$
=
$$\frac{7}{2} + \frac{\sqrt{61}}{2}$$
=
7.40512483795333
Численный ответ
[pretty]
[text]
x1 = -0.4051248379533272 y1 = 7.405124837953327
x2 = 7.405124837953327 y2 = -0.4051248379533272