Question

awsx0258

兩題求解

x.x2 + x,x: + x,x. + x,Xs = -2
X,X, + X,X: + X,X4 + X,X = -2
Ex10. 若xi, X., X, X., x,
皆為實數,且滿足{xxj + X, X. + X; X: + X X = -2,
*4*, +X.X2 + X,X: +X X = -2
XsX, + XsX2 +X3X3 + X X 4 = -2
91 x,' + x,' + x;' + x,' + x, Zütik 13

2
2
x
1+ 4x
4
2
X2
1+ 4x2
4
Ex9. 已知方程組,
X 2018
X2019
2
4
2
8 x -1, +3, -x +- Xgold + Xoots =
1+ 4X 2018
2
X 2019
-
X
4
1+ 4x 2019