Question

Помогите пожалуйста!

Answer 1

$1); ; left { {{sqrt[3]{y}-sqrt{x}=-4} atop {sqrt{x}+sqrt[3]{y}=2}} right. ; ; ; ; ; ; ; u=sqrt[3]{y}; ,; ; v=sqrt{x} geq 0; ; \\left { {{u-v=-4} atop {u+v=2}} right. ; oplus ominus ; left { {{2u=-2} atop {2v=6}} right. ; left { {{u=-1} atop {v=3}} right. ; left { {{sqrt[3]{y}=-1} atop {sqrt{x}=3}} right. ; left { {{y=-1} atop {x=9}} right. \\Otvet:; ; (9,-1); .$

$2); ; left { {{sqrt[5]{x}-sqrt{y}=-3} atop {sqrt[5]{x}+sqrt{y}=-1}} right. qquad ; u=sqrt[5]{x}; ,; ; v=sqrt{y}$

$left { {{u-v=-3} atop {u+v=-1}} right. ; oplus ominus ; left { {{2u=-4} atop {2v=2}} right. ; left { {{u=-2} atop {v=1}} right. ; left { {{sqrt[5]{x}=-2} atop {sqrt{y}=1}} right. ; left { {{x=-32} atop {y=1}} right. \\Otvet:; ; (-32,1); .$