### Условие задания:

4 Б.
Реши систему уравнений  $\left\{\begin{array}{l}{x}^{2}-{y}^{2}=8\\ 2{x}^{2}+2{y}^{2}=48\end{array}\right\$

(Первыми пиши корни с большим значением $$x$$).

$\begin{array}{l}1.\left\{\begin{array}{l}x=i\\ y=\sqrt{i}\end{array}\right\\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}2.\left\{\begin{array}{l}x=i\\ y=-\sqrt{i}\end{array}\right\\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\\ \phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\\ 3.\left\{\begin{array}{l}x=i\\ y=\sqrt{i}\end{array}\right\\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}4.\left\{\begin{array}{l}x=i\\ y=-\sqrt{i}\end{array}\right\\end{array}$