上x1+x2+x3+4x4-3x5=0 中2x1+x2+3x3+5x4-5x5=0 中x1-x2+3x3-2x4-x5=0 下3x1+x2+5x3+6x4-7x5=0急,

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上x1+x2+x3+4x4-3x5=0中2x1+x2+3x3+5x4-5x5=0中x1-x2+3x3-2x4-x5=0下3x1+x2+5x3+6x4-7x5=0急,上x1+x2+x3+4x4-3x5=

上x1+x2+x3+4x4-3x5=0 中2x1+x2+3x3+5x4-5x5=0 中x1-x2+3x3-2x4-x5=0 下3x1+x2+5x3+6x4-7x5=0急,
上x1+x2+x3+4x4-3x5=0 中2x1+x2+3x3+5x4-5x5=0 中x1-x2+3x3-2x4-x5=0 下3x1+x2+5x3+6x4-7x5=0
急,

上x1+x2+x3+4x4-3x5=0 中2x1+x2+3x3+5x4-5x5=0 中x1-x2+3x3-2x4-x5=0 下3x1+x2+5x3+6x4-7x5=0急,
x1+x2+x3+4x4-3x5=0
2x1+x2+3x3+5x4-5x5=0
x1-x2+3x3-2x4-x5=0
3x1+x2+5x3+6x4-7x5=0
(1 1 1 4 -3
2 1 3 5 -5
1 -1 3 -2 -1
3 1 5 6 -7)
(1 1 1 4 -3
0 -1 1 -3 1
0 -2 2 -6 2
0 -2 2 -6 2)
(1 1 1 4 -3
0 1 -1 3 -1
0 0 0 0 0
0 0 0 0 0)
(1 0 2 1 -2
0 1 -1 3 -1
0 0 0 0 0
0 0 0 0 0)
所以
x1=-2x3-x4+2x5
x2=x3-3x4+x5
x3=x3
x4= x4
x5= x5
通解为:
x=c1(-2,1,1,0,0)+c2(-1,-3,0,1,0)+c3(2,1,0,0,1)

上x1+x2+x3+4x4-3x5=0 中2x1+x2+3x3+5x4-5x5=0 中x1-x2+3x3-2x4-x5=0 下3x1+x2+5x3+6x4-7x5=0急, x1-x2+x3=1 x2-x3+x4=2 x3-x4+x5=3 x4-x5+x1=4 x5-x1+x2=5 求x1,x2,x3,x4,x5 解方程组:x1+x2+x3+x4+x5=7 3x1+2x2+x3+x4-3x5=-2 x2+2x3+2x4+6x5=23 5x1+4x2-3x3+3x4-x5=10 求解奇次线性方程组{上面2x1+x2+3x3+5x4-5x5 =0 中x1+x2+x3+4x4-3x5=0 下面3x1+x2+5x3+6x4-7x5=0 求下列非齐次线性方程组的通解(1){x1+x2+x3+x4+x5=2;x1+2x2-4x5=-2;x1+2x3+2x4+6x5=6;4x1+5x2+3x3+3x4-x5=4}(2){x1-x2+5x3-x4=1;x1+x2-2x3+3x4=1;2x1+3x3+2x4=2;2x1+4x2-11x3+10x4=2}(3){x1+x2+x3+x4+x5=1;3x1+2x2+x3+x4-3x5=0 求非齐次线性方程组的通解x1+3x2+5x3-4x4=1x1+3x2+2x3-2x4+x5=-1x1-2x2+x3-x4-x5=3x1+2x2+x3-x4-x5=3 X1-2X2-X3+X4=02X1+X2-X3+2X4-3X5=03X1-2X2-X3+X4-X5=02X1-5X2+X3-2X4+2X5=0 X1 - X3 - X4 -5X5=0 X1+2X2+3X3+3X4+7X5=0 X1+X2+X3+X4+X5=0 X2+2X3+2X4+6X5=0 请问方程组x1+x2-3x4-x5=0,x1-x2+2x3-x4+x5=0,4x1-2x2+6x3-5x4+x5=0的基础解系与通解怎么求 解一道方程组x1+x2+x3=5,x2+x3+x4=1,x3+x4+x5=-5,x4+x5+x1=-3,x5+x1+x2=2 解线性方程组 X1-X2+2X4+X5=0 3X1-3X2+7X4=0 X1-X2+2X3+3X4+2X5=0 2X1-2X2+2X3+7X4-3X5=0 解线性方程组 X1-X2+2X4+X5=0 3X1-3X2+7X4=0 X1-X2+2X3+3X4+2X5=0 2X1-2X2+2X3+7X4-3X5=0 确定a的值,使线性方程组{X1+X2+X3+X4=1,3X1+2X2+X5+X4=0,X2+2X3+2X4=a,5X1+4X2+3X2+3X4=2 并求通解 若x1,x2,x3,x4,x5满足方程组:x1-x2+x3=1 x2-x3+x4=2 x3-x4+x5=3 x4-x5+x1=4 x5-x1+x2=5 求x2,x3,x4的少打了个字,是求x2,x3,x4的值 判断下列奇次线性方程组是否有非零解?如果有,求其解.X1+X2+X3+4X4-3X5=0,X1-X2+3X3-2X4-X5=0,2X1+X2+3X3+5X4-5X5=0,3X1+X2+5X3+6X4-7X5=0 x1-x2+x3=1x2-x3+x4=21若x1,x2,x3,x4,x5满足方程组 x3-x4+x5=3x4-x5+x1=4x5-x1+x2=5求x2 x3 x4的值2已知 x1+x4+x6+x7=39 x2+x4+x5+x7=49 x3+x5+x6+x7=41 x4+x7=13 x5+x7=14 x6+x7=9 x1+x2+x3+x4+x5+x6+x7=9求x7的值若x1,x2,x3,x4,x5满足方程组 x1-x x1+x2+x3+x4+x5=k;3x1+2x2+x3+x4-3x5=0;x2+2x3+2x4+6x5=h;5x1+4x2+3x3+3x4-x5=4;k,h为何值时有解 简单线代题///X1+X2+X3+X4+X5=13X1+2X2+X3+X4+3X5=0 X2+2X3+2X4+6X5=35X1+4X2+3X3+3X4-1X5=P讨论P什么值时有解无解