Question

急 (19 17:40:30)已知X,Y满足Y〈√X-1 +√1-X  +{1/2},化简{|1-Y|/Y-1

Answer 1

Y〈√X-1 +√1-X +{1/2}

√X-1 √1-X 同时存在

x=1

y1/2>0

|1-y|=1-y

原式=(1-y)/(y-1)=-1