Question

Решить иррациональное уравнение
³√1-x=2
√x+3=√5-x

Answer 1

$1-x=8; x=-7$

$-3 leq x leq 5; x+3=5-x; 2x=2; x=1$

Answer 2

$1); ; sqrt[3]{1-x}=2; ; to ; ; 1-x=2^3; ,; ; 1-x=8; ,; ; underline {x=-7}\\2); ; sqrt{x+3}=sqrt{5-x}; ,; ; ODZ:; ; left { {{x+3geq 0} atop {5-xgeq 0}} right. ; left { {{xgeq -3} atop {xleq 5}} right. ; Rightarrow ; -3leq xleq 5\\x+3=5-x; ,; ; 2x=2; ,; ; underline {x=1}$