解方程组 x2 -2xy -y2 =1 2x2 -5xy -3y2 =0解方程组 x2 -2xy -y2 =12x2 -5xy -3y2 =0

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解方程组 x2 -2xy -y2 =1 2x2 -5xy -3y2 =0解方程组 x2 -2xy -y2 =12x2 -5xy -3y2 =0

解方程组 x2 -2xy -y2 =1 2x2 -5xy -3y2 =0解方程组 x2 -2xy -y2 =12x2 -5xy -3y2 =0
解方程组 x2 -2xy -y2 =1 2x2 -5xy -3y2 =0
解方程组 x2 -2xy -y2 =1
2x2 -5xy -3y2 =0

解方程组 x2 -2xy -y2 =1 2x2 -5xy -3y2 =0解方程组 x2 -2xy -y2 =12x2 -5xy -3y2 =0
x =
[ 3/2*2^(1/2)]
[ -3/2*2^(1/2)]
[ -1]
[ 1]
y =
[ 1/2*2^(1/2)]
[ -1/2*2^(1/2)]
[ 2]
[ -2]