解答
展开 (1,2,3+4,−3,−1)x(−5,−3,5−(−2),1,6)
解答
−1⋅x,2,3⋅5,−1⋅x,2,3⋅3,5−1⋅x,2,3(−2),1,6−4x,5,−4x,3,5−4x,(−2),1,6+3x,5,3,3,5+3x,(−2),1,6+1⋅5x,1⋅3,5+1⋅(−2)x,1,6
求解步骤
(1,2,3+4,−3,−1)x(−5,−3,5−(−2),1,6)
=(1⋅2⋅3,,+4,−3,−1)(−5,−3⋅5,−(−2)⋅1⋅6,,)x
乘开 (1,2,3+4,−3,−1)(−5,−3,5−(−2),1,6):−1,2,3⋅5,−1,2,3⋅3,5−1,2,3(−2),1,6−4,5,−4,3,5−4,(−2),1,6+3,5,3,3,5+3,(−2),1,6+1⋅5,1⋅3,5+1⋅(−2),1,6
=x(−1,2,3⋅5,−1,2,3⋅3,5−1,2,3(−2),1,6−4,5,−4,3,5−4,(−2),1,6+3,5,3,3,5+3,(−2),1,6+1⋅5,1⋅3,5+1⋅(−2),1,6)
乘开 x(−1,2,3⋅5,−1,2,3⋅3,5−1,2,3(−2),1,6−4,5,−4,3,5−4,(−2),1,6+3,5,3,3,5+3,(−2),1,6+1⋅5,1⋅3,5+1⋅(−2),1,6):−1⋅x,2,3⋅5,−1⋅x,2,3⋅3,5−1⋅x,2,3(−2),1,6−4x,5,−4x,3,5−4x,(−2),1,6+3x,5,3,3,5+3x,(−2),1,6+1⋅5x,1⋅3,5+1⋅(−2)x,1,6
=−1⋅x,2,3⋅5,−1⋅x,2,3⋅3,5−1⋅x,2,3(−2),1,6−4x,5,−4x,3,5−4x,(−2),1,6+3x,5,3,3,5+3x,(−2),1,6+1⋅5x,1⋅3,5+1⋅(−2)x,1,6