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- (
- (
- a==-1 && x[1]==-1 && x[2]==1
- )||(
- Root[a^2-2 a^4-a^5+(-a^2+a^3+2 a^4) #1+(2 a+a^2-a^3) #1^2-a #1^3+#1^4&,1]==x[1] &&
- (
- (
- (Sqrt[4 a (1+a)+x[1]^2]-x[1])/2==x[2] &&
- (a<-1||-1<a<=Root[144-92 #1-243 #1^2+20 #1^3&,1])
- )||(
- a>=Root[144-92 #1-243 #1^2+20 #1^3&,2] &&
- x[2]==(-x[1]-Sqrt[4 a (1+a)+x[1]^2])/2
- )
- )
- )||(
- Root[a^2-2 a^4-a^5+(-a^2+a^3+2 a^4) #1+(2 a+a^2-a^3) #1^2-a #1^3+#1^4&,2]==x[1]&&
- (
- (
- -1<a<Root[144-92 #1-243 #1^2+20 #1^3&,1]&&
- (Sqrt[4 a (1+a)+x[1]^2]-x[1])/2==x[2]
- )||(
- x[2]==(-x[1]-Sqrt[4 a (1+a)+x[1]^2])/2 && (
- (
- a>-(1+Sqrt[5])/2&&a<-1
- )||(
- a>Root[144-92 #1-243 #1^2+20 #1^3&,2]&&a<(Sqrt[5]-1)/2
- )||
- a<-(1+Sqrt[5])/2
- ||
- a>(Sqrt[5]-1)/2
- )
- )
- )
- )||(
- Sqrt[4 a (1+a)+x[1]^2]==x[1]+2 x[2] && (
- (
- a>=Root[144-92 #1-243 #1^2+20 #1^3&,3] &&
- Root[a^2-2 a^4-a^5+(-a^2+a^3+2 a^4) #1+(2 a+a^2-a^3) #1^2-a #1^3+#1^4&,3]==x[1]
- )||(
- a>Root[144-92 #1-243 #1^2+20 #1^3&,3] &&
- Root[a^2-2 a^4-a^5+(-a^2+a^3+2 a^4) #1+(2 a+a^2-a^3) #1^2-a #1^3+#1^4&,4]==x[1]
- )
- )
- )
- ) &&
- x[3]==-a/x[2]
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