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【題組】3. 設某方程組 之增廣矩陣經列運算簡化成為 ,a,b,c,d,e,f∈ R,則下列敘述何者正確?(A)若e = 5,則 L 恰有一解(B)若e = 6 ,則 L 恰有一解(C)若 e= 5,
問題詳情
【題組】
3. 設某方程組
之增廣矩陣經列運算簡化成為
,a,b,c,d,e,f ∈ R ,則下列敘述何者正確?
(A)若e = 5,則 L 恰有一解
(B)若e = 6 ,則 L 恰有一解
(C)若 e= 5,f=6 ,則 L 有無限多解
(D)若 e=5,f ≠6 ,則 L 無解
(E)若e ≠5,f ≠ 6 ,則 L 無解
參考答案
答案:B,C,D
難度:非常困難0
統計:A(3),B(5),C(2),D(4),E(2)
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