【单选题】已知 a 1 , a 2 是齐次线性方组 AX = 0 的基础解系, b 1 , b 2 是非齐次线性方程 AX = b 的两个不同的解向量, k 1 , k 2 为任意常数 , 则 AX = b 的通解为( )。
A.
k 1 a 1 + k 2 a 2 + ( b 1 - b 2 )
B.
k 1 b 1 + k 2 b 2 + ( a 1 - a 2 )
C.
k 1 a 2 + k 2 ( a 1 + a 2 ) + ( b 1 + b 2 )
D.
k 1 a 1 + k 2 ( b 1 - b 2 ) + ( b 1 + b 2 )
【单选题】已知a1,a2是非齐次线性方程组Ax=b的两个不同的解,b1,b2是其导出方程组Ax=0的基础解系,k1,k2是任意常数,则方程组Ax=b的通解是
A.
k1b1+k2(b1+b2)+(a1-a2)/2
B.
k1b1+k2(b1-b2)+(a1+a2)/2
D.
k1(b2-b1)+k2(b1-b2)+(a1+a2)/2
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