解
展開する (1,−2,5,−3)(2,3,1,−4)y(3,8,−3,−5)
解
1⋅y,2,3,1,3,8,−1⋅y,2,3,1,3,−1⋅y,2,3,1,5−1⋅y,4⋅3,8,1,4⋅3,1,4⋅5−2y,5,2,3,1,2,5,4⋅3,8,2,5,2,3,1,2,5,4⋅3,2,5,2,3,1,2,5,4⋅5−3⋅2y,3,1,3⋅4⋅3,8,3⋅2,3,1,3⋅4⋅3,3⋅2,3,1,3⋅4⋅5
解答ステップ
(1,−2,5,−3)(2,3,1,−4)y(3,8,−3,−5)
=(1,−2⋅5,,−3)(2⋅3⋅1,,,−4)(3⋅8,,−3,−5)y
拡張 (1,−2,5,−3)(2,3,1,−4):1,2,3,1,−1,4−2,5,2,3,1,2,5,4−3⋅2,3,1,3⋅4
=y(1,2,3,1,−1,4−2,5,2,3,1,2,5,4−3⋅2,3,1,3⋅4)(3,8,−3,−5)
拡張 (1,2,3,1,−1,4−2,5,2,3,1,2,5,4−3⋅2,3,1,3⋅4)(3,8,−3,−5):1,2,3,1,3,8,−1,2,3,1,3,−1,2,3,1,5−1,4⋅3,8,1,4⋅3,1,4⋅5−2,5,2,3,1,2,5,4⋅3,8,2,5,2,3,1,2,5,4⋅3,2,5,2,3,1,2,5,4⋅5−3⋅2,3,1,3⋅4⋅3,8,3⋅2,3,1,3⋅4⋅3,3⋅2,3,1,3⋅4⋅5
=y(1,2,3,1,3,8,−1,2,3,1,3,−1,2,3,1,5−1,4⋅3,8,1,4⋅3,1,4⋅5−2,5,2,3,1,2,5,4⋅3,8,2,5,2,3,1,2,5,4⋅3,2,5,2,3,1,2,5,4⋅5−3⋅2,3,1,3⋅4⋅3,8,3⋅2,3,1,3⋅4⋅3,3⋅2,3,1,3⋅4⋅5)
拡張 y(1,2,3,1,3,8,−1,2,3,1,3,−1,2,3,1,5−1,4⋅3,8,1,4⋅3,1,4⋅5−2,5,2,3,1,2,5,4⋅3,8,2,5,2,3,1,2,5,4⋅3,2,5,2,3,1,2,5,4⋅5−3⋅2,3,1,3⋅4⋅3,8,3⋅2,3,1,3⋅4⋅3,3⋅2,3,1,3⋅4⋅5):1⋅y,2,3,1,3,8,−1⋅y,2,3,1,3,−1⋅y,2,3,1,5−1⋅y,4⋅3,8,1,4⋅3,1,4⋅5−2y,5,2,3,1,2,5,4⋅3,8,2,5,2,3,1,2,5,4⋅3,2,5,2,3,1,2,5,4⋅5−3⋅2y,3,1,3⋅4⋅3,8,3⋅2,3,1,3⋅4⋅3,3⋅2,3,1,3⋅4⋅5
=1⋅y,2,3,1,3,8,−1⋅y,2,3,1,3,−1⋅y,2,3,1,5−1⋅y,4⋅3,8,1,4⋅3,1,4⋅5−2y,5,2,3,1,2,5,4⋅3,8,2,5,2,3,1,2,5,4⋅3,2,5,2,3,1,2,5,4⋅5−3⋅2y,3,1,3⋅4⋅3,8,3⋅2,3,1,3⋅4⋅3,3⋅2,3,1,3⋅4⋅5